UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
 
FORM 10-Q
 
þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
  FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 20172018
OR
o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
  FOR THE TRANSITION PERIOD FROM __________ TO ________
COMMISSION FILE NUMBER 001-34295
 
SIRIUS XM HOLDINGS INC.
(Exact name of registrant as specified in its charter)
 
Delaware 
38-3916511

(State or other jurisdiction of
incorporation or organization)
 (I.R.S. Employer Identification No.)
   
1290 Avenue of the Americas, 11th Floor  
New York, New York 10104
(Address of principal executive offices) (Zip Code)
Registrant’s telephone number, including area code: (212) 584-5100
Former name, former address and former fiscal year, if changed since last report: Not Applicable
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days.    Yes  þ        No  o
Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  þ        No  o
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer”, “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.:
Large accelerated filer þ
 
Accelerated filer o
 
Non-accelerated filer o
   (Do not check if a smaller reporting company)
Smaller reporting company o
 
Emerging growth company o
  
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes o No þ
Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.
(Class) (Outstanding as of October 23, 2017)22, 2018)
COMMON STOCK, $0.001 PAR VALUE 4,595,820,0024,441,648,517SHARES

 

SIRIUS XM HOLDINGS INC. AND SUBSIDIARIES
INDEX TO FORM 10-Q

Item No. Description 
    
   
    
  
  
  
  
  
  
 
 
 
    
   
    
 
 
 
 
 
 
 
  


SIRIUS XM HOLDINGS INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
(UNAUDITED)
For the Three Months Ended September 30, For the Nine Months Ended September 30,For the Three Months Ended September 30, For the Nine Months Ended September 30,
(in thousands, except per share data)2017 2016 2017 20162018 2017 2018 2017
Revenue: 
  
     
  
    
Subscriber revenue$1,136,027
 $1,069,746
 $3,325,295
 $3,112,712
$1,162,439
 $1,136,027
 $3,418,485
 $3,325,295
Advertising revenue41,462
 34,268
 117,656
 99,330
46,187
 41,462
 135,477
 117,656
Equipment revenue32,337
 31,306
 91,669
 86,285
40,699
 32,337
 112,628
 91,669
Other revenue169,770
 142,326
 486,611
 415,895
Music royalty fee and other revenue218,058
 169,770
 608,194
 486,611
Total revenue1,379,596
 1,277,646
 4,021,231
 3,714,222
1,467,383
 1,379,596
 4,274,784
 4,021,231
Operating expenses: 
  
     
  
    
Cost of services: 
  
     
  
    
Revenue share and royalties296,498
 272,823
 866,691
 788,952
343,015
 296,498
 1,057,431
 866,691
Programming and content98,239
 89,015
 290,038
 257,760
96,256
 98,239
 302,742
 290,038
Customer service and billing94,655
 94,923
 286,754
 285,502
94,626
 94,655
 284,073
 286,754
Satellite and transmission21,378
 22,224
 61,557
 80,609
24,266
 21,378
 70,466
 61,557
Cost of equipment8,254
 9,674
 24,537
 29,181
6,572
 8,254
 21,343
 24,537
Subscriber acquisition costs119,555
 120,111
 372,197
 381,516
109,469
 119,555
 351,940
 372,197
Sales and marketing114,519
 99,194
 318,135
 279,278
118,280
 114,519
 344,426
 318,135
Engineering, design and development29,433
 19,254
 81,033
 57,588
31,011
 29,433
 89,133
 81,033
General and administrative83,187
 90,369
 245,995
 249,052
85,821
 83,187
 263,110
 245,995
Depreciation and amortization79,913
 67,880
 230,136
 202,215
75,510
 79,913
 222,345
 230,136
Total operating expenses945,631
 885,467
 2,777,073
 2,611,653
984,826
 945,631
 3,007,009
 2,777,073
Income from operations433,965
 392,179
 1,244,158
 1,102,569
482,557
 433,965
 1,267,775
 1,244,158
Other income (expense): 
  
     
  
    
Interest expense(92,634) (89,092) (257,085) (250,888)(86,218) (92,634) (262,924) (257,085)
Loss on extinguishment of debt(43,679) 
 (43,679) 

 (43,679) 
 (43,679)
Other income86,971
 2,370
 83,897
 15,733
Total other expense(49,342) (86,722) (216,867) (235,155)
Other income (expense)(41,766) 86,971
 82,334
 83,897
Total other income (expense)(127,984) (49,342) (180,590) (216,867)
Income before income taxes384,623
 305,457
 1,027,291
 867,414
354,573
 384,623
 1,087,185
 1,027,291
Income tax expense(108,901) (111,556) (342,387) (326,108)(11,525) (108,901) (162,344) (342,387)
Net income$275,722
 $193,901
 $684,904
 $541,306
$343,048
 $275,722
 $924,841
 $684,904
Foreign currency translation adjustment, net of tax3,680
 (14) 6,426
 420
7,854
 3,680
 (9,972) 6,426
Total comprehensive income$279,402
 $193,887
 $691,330
 $541,726
$350,902
 $279,402
 $914,869
 $691,330
Net income per common share: 
  
     
  
    
Basic$0.06
 $0.04
 $0.15
 $0.11
$0.08
 $0.06
 $0.21
 $0.15
Diluted$0.06
 $0.04
 $0.14
 $0.11
$0.07
 $0.06
 $0.20
 $0.14
Weighted average common shares outstanding: 
  
     
  
    
Basic4,618,368
 4,870,281
 4,660,041
 4,957,820
4,473,652
 4,618,368
 4,482,249
 4,660,041
Diluted4,704,571
 4,919,829
 4,734,841
 5,005,133
4,574,487
 4,704,571
 4,586,346
 4,734,841
Dividends declared per common share$0.010

$
 $0.030
 $
$0.011

$0.010
 $0.033
 $0.030
 
See accompanying notes to the unaudited consolidated financial statements.


SIRIUS XM HOLDINGS INC. AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
(in thousands, except per share data)September 30, 2017 December 31, 2016September 30, 2018
December 31, 2017
ASSETS(unaudited)


(unaudited)


Current assets: 
  
 
  
Cash and cash equivalents$73,553
 $213,939
$46,044
 $69,022
Receivables, net225,001
 223,029
245,768
 241,727
Inventory, net22,469
 20,363
19,514
 20,199
Related party current assets12,375
 6,170
10,087
 10,284
Prepaid expenses and other current assets163,164
 179,148
173,035
 129,669
Total current assets496,562
 642,649
494,448
 470,901
Property and equipment, net1,427,614
 1,398,693
1,498,297
 1,462,766
Intangible assets, net2,528,709
 2,544,801
2,505,384
 2,522,846
Goodwill2,286,559
 2,205,107
2,289,985
 2,286,582
Related party long-term assets1,017,350
 8,918
1,018,740
 962,080
Deferred tax assets777,002
 1,084,330
330,998
 505,528
Other long-term assets118,620
 119,097
135,655
 118,671
Total assets$8,652,416
 $8,003,595
$8,273,507
 $8,329,374
LIABILITIES AND STOCKHOLDERS' (DEFICIT) EQUITY 
  
 
  
Current liabilities: 
  
 
  
Accounts payable and accrued expenses$736,782
 $713,034
$799,094
 $794,341
Accrued interest92,539
 114,633
84,973
 137,428
Current portion of deferred revenue1,846,285
 1,832,609
1,921,517
 1,881,825
Current maturities of long-term debt4,220
 5,485
Current maturities of debt4,411
 5,105
Related party current liabilities3,018
 2,840
4,380
 2,839
Total current liabilities2,682,844
 2,668,601
2,814,375
 2,821,538
Deferred revenue178,180
 176,319
Long-term deferred revenue154,145
 174,579
Long-term debt6,728,349
 5,842,764
6,562,152
 6,741,243
Related party long-term liabilities6,778
 7,955
5,889
 7,364
Deferred tax liabilities6,418
 6,418
8,169
 8,169
Other long-term liabilities99,948
 93,553
104,152
 100,355
Total liabilities9,702,517
 8,795,610
9,648,882
 9,853,248
Commitments and contingencies (Note 14)

 



 

Stockholders’ (deficit) equity: 
  
 
  
Common stock, par value $0.001; 9,000,000 shares authorized; 4,604,441 and 4,746,047 shares issued; 4,601,941 and 4,740,947 outstanding at September 30, 2017 and December 31, 2016, respectively4,604
 4,745
Accumulated other comprehensive income (loss), net of tax6,287
 (139)
Common stock, par value $0.001; 9,000,000 shares authorized; 4,450,181 and 4,530,928 shares issued; 4,449,194 and 4,527,742 outstanding at September 30, 2018 and December 31, 2017, respectively4,449
 4,530
Accumulated other comprehensive income, net of tax12,448
 18,407
Additional paid-in capital2,159,239
 3,117,666
922,376
 1,713,816
Treasury stock, at cost; 2,500 and 5,100 shares of common stock at September 30, 2017 and December 31, 2016, respectively(13,754) (22,906)
Treasury stock, at cost; 987 and 3,186 shares of common stock at September 30, 2018 and December 31, 2017, respectively(6,287) (17,154)
Accumulated deficit(3,206,477) (3,891,381)(2,308,361) (3,243,473)
Total stockholders’ (deficit) equity(1,050,101) (792,015)(1,375,375) (1,523,874)
Total liabilities and stockholders’ (deficit) equity$8,652,416
 $8,003,595
$8,273,507
 $8,329,374

See accompanying notes to the unaudited consolidated financial statements.

SIRIUS XM HOLDINGS INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENT OF STOCKHOLDERS’ (DEFICIT) EQUITY
(UNAUDITED)
 Common Stock Accumulated
Other
Comprehensive
(Loss) Income
 Additional
Paid-in
Capital
 Treasury Stock Accumulated
Deficit
 Total
Stockholders’ (Deficit) Equity
 Common Stock Accumulated
Other
Comprehensive Income (Loss)
 Additional
Paid-in
Capital
 Treasury Stock Accumulated
Deficit
 Total
Stockholders’ (Deficit) Equity
(in thousands) Shares Amount Shares Amount  Shares Amount Shares Amount 
Balance at December 31, 2016 4,746,047
 $4,745
 $(139) $3,117,666
 5,100
 $(22,906) $(3,891,381) $(792,015)
Balance at December 31, 2017 4,530,928
 $4,530
 $18,407
 $1,713,816
 3,186
 $(17,154) $(3,243,473) $(1,523,874)
Cumulative effect of change in accounting principles 
 
 4,013
 30,398
 
 
 10,271
 44,682
Comprehensive income, net of tax 
 
 6,426
 
 
 
 684,904
 691,330
 
 
 (9,972) 
 
 
 924,841
 914,869
Issuance of common stock as part of investment in Sirius XM Canada 35,000
 35
 
 178,815
 
 
 
 178,850
Share-based payment expense 
 
 
 82,485
 
 
 
 82,485
 
 
 
 99,853
 
 
 
 99,853
Exercise of options and vesting of restricted stock units 20,318
 21
 
 753
 
 
 
 774
 25,169
 25
 
 (18) 
 
 
 7
Minimum withholding taxes on net share settlement of stock-based compensation 
 
 
 (84,560) 
 
 
 (84,560) 
 
 
 (112,019) 
 
 
 (112,019)
Cash dividends paid on common stock 
 
 
 (139,854) 
 
 
 (139,854) 
 
 
 (148,000) 
 
 
 (148,000)
Common stock repurchased 
 
 
 
 194,324
 (987,111) 
 (987,111) 
 
 
 
 103,717
 (650,893) 
 (650,893)
Common stock retired (196,924) (197) 
 (996,066) (196,924) 996,263
 
 
 (105,916) (106) 
 (661,654) (105,916) 661,760
 
 
Balance at September 30, 2017 4,604,441
 $4,604
 $6,287
 $2,159,239
 2,500
 $(13,754) $(3,206,477) $(1,050,101)
Balance at September 30, 2018 4,450,181
 $4,449
 $12,448
 $922,376
 987
 $(6,287) $(2,308,361) $(1,375,375)

See accompanying notes to the unaudited consolidated financial statements.

SIRIUS XM HOLDINGS INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS
(UNAUDITED)
For the Nine Months Ended September 30,For the Nine Months Ended September 30,
(in thousands)2017 20162018 2017
Cash flows from operating activities:      
Net income$684,904
 $541,306
$924,841
 $684,904
Adjustments to reconcile net income to net cash provided by operating activities: 
  
 
  
Depreciation and amortization230,136
 202,215
222,345
 230,136
Non-cash interest expense, net of amortization of premium6,731
 6,571
6,991
 6,731
Provision for doubtful accounts42,329
 39,629
37,529
 42,329
Amortization of deferred income related to equity method investment(2,082) (2,082)(2,082) (2,082)
Loss on extinguishment of debt43,679
 

 43,679
Gain on unconsolidated entity investments, net(7,541) (9,725)
Loss (gain) on unconsolidated entity investments, net2,065
 (7,541)
Gain on fair value instrument(73,880) (72,245)
Dividend received from unconsolidated entity investment3,606
 7,160
1,748
 3,606
Loss on disposal of assets
 12,912
Share-based payment expense94,588
 77,890
99,853
 94,588
Deferred income taxes318,190
 308,613
172,879
 318,190
Changes in operating assets and liabilities: 
  
 
  
Receivables(43,665) (38,266)(41,570) (43,665)
Inventory(396) (5,735)685
 (396)
Related party, net(77,179) (2,373)2,494
 (4,934)
Prepaid expenses and other current assets16,698
 (15,985)(35,189) 16,698
Other long-term assets7,559
 26,668
5,846
 7,559
Accounts payable and accrued expenses1,951
 (1,841)8,217
 1,951
Accrued interest(22,094) 16,715
(52,455) (22,094)
Deferred revenue9,955
 52,421
65,068
 9,955
Other long-term liabilities6,395
 11
1,001
 6,395
Net cash provided by operating activities1,313,764
 1,216,104
1,346,386
 1,313,764
Cash flows from investing activities: 
  
 
  
Additions to property and equipment(206,717) (132,246)(238,735) (206,717)
Purchases of restricted and other investments(7,595) (4,168)
Purchases of other investments(7,374) (7,595)
Acquisition of business, net of cash acquired(107,736) 
(677) (107,351)
Investment in convertible preferred stock of related party(480,000)

Loan to related party(130,794) 
Payments to acquire additional ownership in related party(132,205) 
Investments in related parties and other equity investees(7,720)
(612,205)
Repayment from (loan to) related party3,242
 (130,794)
Net cash used in investing activities(1,065,047) (136,414)(251,264) (1,064,662)
Cash flows from financing activities: 
  
 
  
Proceeds from exercise of stock options774
 348
7
 774
Taxes paid in lieu of shares issued for stock-based compensation(84,291) (32,603)(111,281) (84,291)
Net repayments related to revolving credit facility(100,000) (340,000)
Revolving credit facility, net of deferred financing costs(184,701) (100,000)
Proceeds from long-term borrowings, net of costs2,473,506
 987,257

 2,473,506
Principal payments of long-term borrowings(1,509,910) (8,864)(11,778) (1,509,910)
Payment of premiums on redemption of debt(33,065) 

 (33,065)
Common stock repurchased and retired(996,263) (1,225,284)(661,760) (996,263)
Dividends paid(139,854)

(148,000)
(139,854)
Net cash used in financing activities(389,103) (619,146)(1,117,513) (389,103)
Net (decrease) increase in cash and cash equivalents(140,386) 460,544
Cash and cash equivalents at beginning of period213,939
 111,838
Cash and cash equivalents at end of period$73,553
 $572,382
Net decrease in cash, cash equivalents and restricted cash(22,391) (140,001)
Cash, cash equivalents and restricted cash at beginning of period79,374
 223,828
Cash, cash equivalents and restricted cash at end of period(1)
$56,983
 $83,827

See accompanying notes to the unaudited consolidated financial statements.





SIRIUS XM HOLDINGS INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS - Continued
(UNAUDITED)

For the Nine Months Ended September 30,For the Nine Months Ended September 30,
(in thousands)2017 20162018 2017
Supplemental Disclosure of Cash and Non-Cash Flow Information      
Cash paid during the period for:      
Interest, net of amounts capitalized$270,365
 $222,110
$304,705
 $270,365
Income taxes paid$16,647
 $15,857
$5,625
 $16,647
Non-cash investing and financing activities:      
Capital lease obligations incurred to acquire assets$
 $6,647
$499
 $
Treasury stock not yet settled$13,754
 $12,526
$10,867
 $9,152
Issuance of common stock as part of investment in Sirius XM Canada$178,850
 $
Accumulated other comprehensive income, net of tax benefit for loan to related party$6,426
 $
Accumulated other comprehensive loss (income), net of tax$9,972
 $(6,426)
Issuance of common stock as part of recapitalization of Sirius XM Canada$
 $178,850


(1)The following table reconciles cash, cash equivalents and restricted cash per the statement of cash flows to the balance sheet. The restricted cash balances are primarily due to letters of credit which have been issued to the landlords of leased office space. The terms of the letters of credit primarily extend beyond one year.
 September 30, 2018 December 31, 2017 September 30, 2017 December 31, 2016
Cash and cash equivalents$46,044
 $69,022
 $73,553
 $213,939
Restricted cash included in Prepaid expenses and other current assets150
 244
 385
 
Restricted cash included in Other long-term assets10,789
 10,108
 9,889
 9,889
Total cash, cash equivalents and restricted cash at end of period$56,983
 $79,374
 $83,827
 $223,828

See accompanying notes to the unaudited consolidated financial statements.


6

Table of Contents
SIRIUS XM HOLDINGS INC. AND SUBSIDIARIES
NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)



(1)Business & Basis of Presentation
This Quarterly Report on Form 10-Q presents information for Sirius XM Holdings Inc. (“Holdings”).  The terms “Holdings,” “we,” “us,” “our,” and “our company” as used herein, and unless otherwise stated or indicated by context, refer to Sirius XM Holdings Inc. and its subsidiaries, and “Sirius XM” refers to our wholly-owned subsidiary Sirius XM Radio Inc. Holdings has no operations independent of its wholly-owned subsidiary, Sirius XM.
Business
We transmit music, sports, entertainment, comedy, talk, news, traffic and weather channels, as well as infotainment services, in the United States on a subscription fee basis through our two proprietary satellite radio systems.  Subscribers can also receivesystems, and a larger set of music and other channels, plus features such as SiriusXM On Demand featuring recent and MySXM, overarchived shows, and SiriusXM Video, through our Internet radiostreaming service, includingavailable online and through applications for mobile devices, home devices and other consumer electronic equipment.  We are also a leader in providingprovide connected vehicle services.  Our connected vehicle services are designed to enhance the safety, security and driving experience for vehicle operators while providing marketing and operational benefits to automakers and their dealers.
We have agreements with every major automaker (“OEMs”) to offer satellite radio in their vehicles.vehicles, through which we acquire the majority of our subscribers. We also acquire subscribers through marketing to owners and lessees of previously owned vehicles that include factory-installed satellite radios that are not currently subscribing to our services. Our satellite radios are primarily distributed through automakers, retail stores nationwide,retailers, and through our website. Satellite radio services are also offered to customers of certain rental car companies.
Our primary source of revenue is subscription fees, with most of our customers subscribing to annual,monthly, quarterly, semi-annual quarterly or monthlyannual plans.  We offer discounts for prepaid, longer-term subscription plans, as well as a multiple subscription discount.  We also derive revenue from activation and othercertain fees, the sale of advertising on select non-music channels, the direct sale of satellite radios and accessories, and other ancillary services, such as our weather, traffic and data services.
In certainmany cases, a subscription to our radio services is included inwith the sale or lease pricepurchase of new or previously owned vehicles. The length of these subscriptions varies but is typically three to twelve months.  We receive payments for these subscriptions from certain automakers.  We also reimburse various automakers for certain costs associated with satellite radios installed in new vehicles.vehicles and pay revenue share to various automakers.
During the nine months endedOn September 30, 2017, we23, 2018, Holdings entered into several strategic transactions:
On April 18, 2017, Sirius XM acquired Automatic Labsan agreement to acquire Pandora Media, Inc. (“Automatic”Pandora”). Refer in an all-stock transaction initially valued at $3.5 billion. In connection with the acquisition, each outstanding share of Pandora common stock, par value $0.0001 per share, will be converted into the right to Note 2 for information on this transaction.
On May 25, 2017, Sirius XM completedreceive 1.44 shares of Holdings common stock, par value $0.001 per share. The transaction is conditioned upon the vote of holders of a recapitalizationmajority of Sirius XM Canada Holdings Inc. (“Sirius XM Canada”).the combined voting power of the outstanding shares of Pandora common stock and the outstanding shares of Pandora’s Series A Preferred Stock, voting together as a single class, in favor of the adoption of the merger agreement. In addition, the completion of the transaction is subject to other customary conditions, including, among others, (i) the waiting period applicable to the merger under the Hart-Scott-Rodino Antitrust Improvements Act has expired or been terminated, (ii) the decisions, orders, consents or expiration of any waiting periods required by the competition laws of other countries and jurisdictions, (iii) the absence of any law or order that prohibits or makes illegal the merger and (iv) subject to certain exceptions, the accuracy of the representations and warranties of each party and compliance by the parties with their respective covenants. The transaction is expected to close in the first quarter of 2019. Refer to Note 10 for information on this transaction.
On September 22, 2017, Sirius XM completed a $480,000 investment in Pandora Media, Inc. (“Pandora”). Refer to Note 10 formore information on this transaction.
As of September 30, 2017,2018, Liberty Media Corporation (“Liberty Media”) beneficially owned, directly and indirectly, approximately 69%71% of the outstanding shares of our common stock.  As a result, we are a “controlled company” for the purposes of the NASDAQ corporate governance requirements.
Basis of Presentation
The accompanying unaudited consolidated financial statements of Holdings and its subsidiaries have been prepared in accordance with U.S. generally accepted accounting principles (“GAAP”), the instructions to Form 10-Q and Article 10 of Regulation S-X of the United States Securities and Exchange Commission (“SEC”) for interim financial reporting.. Certain information and footnote disclosures normally includednumbers in theour prior period consolidated financial statements presented in accordance with GAAPand footnotes have been condensedreclassified or omitted pursuantconsolidated to such rules and regulations.conform to our current period presentation.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

All significant intercompany transactions have been eliminated in consolidation. In the opinion of our management, all normal recurring adjustments necessary for a fair presentation of our unaudited consolidated financial statements as of September 30, 20172018 and for the three and nine months ended September 30, 20172018 and 20162017 have been made.
Interim results are not necessarily indicative of the results that may be expected for a full year. This Quarterly Report on Form 10-Q should be read together with our Annual Report on Form 10-K for the year ended December 31, 2016,2017, which was filed with the SEC on February 2, 2017.January 31, 2018.
Public companies are required to disclose certain information about their reportable operating segments.  Operating segments are defined as significant components of an enterprise for which separate financial information is available and is evaluated on a regular basis by the chief operating decision makersmaker in deciding how to allocate resources to an individual segment and in assessing performance of the segment. We have determined that we have one reportable segment as our chief operating decision maker, our Chief Executive Officer, assesses performance and allocates resources based on the consolidated results of operations of our business.
We have evaluated events subsequent to the balance sheet date and prior to the filing of this Quarterly Report on Form 10-Q for the three and nine months ended September 30, 20172018 and have determined that no events have occurred that would require adjustment to our unaudited consolidated financial statements.  For a discussion of subsequent events that do not require adjustment to our unaudited consolidated financial statements refer to Note 16.
Use of Estimates
The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and footnotes.  Estimates, by their nature, are based on judgment and available information.  Actual results could differ materially from those estimates.  Significant estimates inherent in the preparation of the accompanying unaudited consolidated financial statements include asset impairment, depreciable lives of our satellites, share-based payment expense, and income taxes.

(2)Acquisition
On April 18, 2017, Sirius XM acquired Automatic, a connected vehicle device and mobile application company, for an aggregate purchase price of $107,736, net of cash and restricted cash acquired of $819. Automatic has created and operates a data-driven platform that enables vehicle owners to be safer and drive smarter. The company's proprietary Automatic Pro and Automatic Lite connected car adapters provide, among other things, vehicle diagnostic alerts, emergency crash assistance, fuel monitoring, access to parking information and live vehicle location tracking.
During the three months ended September 30, 2017, we recorded an increase of $3,929 to the Deferred income tax asset, net, related to the acquired assets, which resulted in a decrease to Goodwill. During the three months ended September 30, 2017, the working capital calculation associated with this acquisition was finalized, resulting in an increase of $248 to the original purchase price and Goodwill. As of September 30, 2017, our Goodwill balance associated with the acquisition was $81,452. No other assets or liabilities have been adjusted.


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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

The condensed table below summarizes the fair value of the assets acquired and liabilities assumed:
Acquired Assets: 
Intangible assets subject to amortization$14,700
Goodwill81,452
Deferred income tax asset, net14,783
Other assets4,019
Trademark800
Total Assets$115,754
  
Assumed Liabilities: 
Deferred revenue(5,582)
Other liabilities(1,617)
Total Liabilities$(7,199)
Total Consideration$108,555
The transaction was accounted for using the acquisition method of accounting. The initial purchase price allocation is subject to change upon receipt of the final valuation analysis for Automatic. The fair value assessed for the majority of the assets acquired and liabilities assumed equaled their carrying value. The excess purchase price over identifiable net assets of $81,452 has been recorded to Goodwill in our unaudited consolidated balance sheets as of September 30, 2017. A total of $14,700 has been allocated to identifiable intangible assets subject to amortization and relates to the assessed fair value of software and technology and a total of $800 has been allocated to the Automatic trademark.
We recognized acquisition related costs of $913 that were expensed in General and administrative expenses in our unaudited consolidated statements of comprehensive income during the nine months ended September 30, 2017. Pro forma financial information related to this acquisition has not been provided as it is not material to our consolidated results of operations.

(3)Summary of Significant Accounting Policies
Fair Value Measurements
For assets and liabilities required to be reported at fair value, GAAP provides a hierarchy that prioritizes inputs to valuation techniques used to measure fair value into three broad levels. Level 1 inputs are based on unadjusted quoted prices in active markets for identical instruments. Level 2 inputs are inputs, other than quoted market prices included within Level 1, that are observable for the asset or liability, either directly or indirectly. Level 3 inputs are unobservable inputs for the asset or liability. As of September 30, 20172018 and December 31, 2016,2017, the carrying amounts of cash and cash equivalents, receivables, and accounts payable approximated fair value due to the short-term nature of these instruments.
Our assets and liabilities measured at fair value were as follows:
 September 30, 2017 December 31, 2016
 Level 1 Level 2 Level 3 Total Fair
Value
 Level 1 Level 2 Level 3 Total Fair
Value
Assets: 
  
  
  
  
  
  
  
Pandora - investment (a)

 $552,245
 
 $552,245
 
 
 
 $
Sirius XM Canada - investment (b)

 
 
 N/A $178,696
 
 
 $178,696
Liabilities: 
  
  
  
  
  
  
  
Debt (c)

 $7,081,843
 
 $7,081,843
 
 $6,008,205
 
 $6,008,205
 September 30, 2018 December 31, 2017
 Level 1 Level 2 Level 3 Total Fair
Value
 Level 1 Level 2 Level 3 Total Fair
Value
Assets: 
  
  
  
  
  
  
  
Pandora investment (a)

 $554,352
 
 $554,352
 
 $480,472
 
 $480,472
Liabilities: 
  
  
  
  
  
  
  
Debt (b)

 $6,585,588
 
 $6,585,588
 
 $6,987,473
 
 $6,987,473
(a)
During the nine monthsyear ended September 30,December 31, 2017, Sirius XM completed a $480,000 investment in Pandora. We have elected the fair value option to account for this investment. Refer to Note 10 for information on this transaction.
(b)The fair value for non-publicly traded debt is based upon estimates from a market maker and brokerage firm.  Refer to Note 11 for information related to the carrying value of our debt as of September 30, 2018 and December 31, 2017.


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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

(b)During the nine months ended September 30, 2017, Sirius XM completed a recapitalization of Sirius XM Canada. Following this recapitalization, Sirius XM Canada ceased to be a publicly traded company. Refer to Note 10 for information on this transaction. The amount as of December 31, 2016 approximated fair value.  The carrying value of our investment in Sirius XM Canada was $323,593 and $8,615 as of September 30, 2017 and December 31, 2016, respectively. Additionally, as part of this transaction we loaned Sirius XM Canada $130,794. The carrying value of the loan as of September 30, 2017 was $141,189 and approximated its fair value.
(c)The fair value for non-publicly traded instruments is based upon estimates from a market maker and brokerage firm.  Refer to Note 11 for information related to the carrying value of our debt as of September 30, 2017 and December 31, 2016.

Accumulated Other Comprehensive Income (Loss)
Accumulated other comprehensive income of $6,287$12,448 was primarily comprised of the cumulative foreign currency translation adjustments related to theour investment in and loan to Sirius XM Canada Holdings Inc. (“Sirius XM Canada”) (refer to Note 10 for additional information related to this loan)information). During the three and nine months ended September 30, 2017,2018, we recorded a foreign currency translation adjustment gainincome (loss) of $3,680$7,854 and $6,426, respectively, which is recorded$(9,972) net of a tax benefit (expense) of $2,176$(2,491) and $3,921,$3,244, respectively. In addition, we reclassified stranded tax effects of $4,013 related to the adoption of Accounting Standards Update ("ASU") 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, during the nine months ended September 30, 2018.
Recent Accounting Pronouncements
In January 2017,August 2018, the Financial Accounting Standards Board (“FASB”) issued ASU 2017-04,2018-15, Intangibles - Intangibles—Goodwill and Other (Topic 350)Other—Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract.  This ASU eliminates Step 2 from the goodwill impairment test. Under the new guidance, entities should perform its annual or interim goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value. Additionally, this ASU eliminates the requirements for any reporting unit with a zero or negative carrying amount to perform a qualitative assessment and, if it fails that qualitative test, to perform Step 2 of the goodwill impairment test. The amendments in this ASU arealign the requirements for capitalizing implementation costs incurred in a hosting arrangement with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. The implementation costs incurred in a hosting arrangement that is a service contract should be presented as a prepaid asset in the balance sheet and expensed over the term of the hosting arrangement to the same line item in the statement of income as the costs related to the hosting fees. The guidance in this ASU is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years, and is applied on a prospective basis. Earlyearly adoption is permitted forincluding adoption in any interim period. The amendments should be applied either retrospectively or annual goodwill impairment tests performed on testing datesprospectively to all implementation costs incurred after January 1, 2017. We are currently evaluating the impact of the adoption of this ASU. We doadoption. This ASU will not believe that the adoption of this guidance will have a material impact on our unaudited consolidated financial statements.statements of operations.
In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). This ASU requires a company to recognize lease assets and liabilities arising from operating leases in the statement of financial position. This ASU does not significantly change the previous lease guidance for how a lessee should recognize the recognition, measurement, and presentation of expenses and cash flows arising from a lease. Additionally, the criteria for classifying a finance lease versus an operating lease are substantially the same as the previous guidance. The amendments in thisThis ASU areis effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years, and early adoption is permitted. ThisIn July 2018, the FASB issued ASU must be adopted using2018-11, Leases (Topic 842) Targeted Improvements, amending certain aspects of the new leasing standard. The amendment allows an additional optional transition method whereby an entity records a modified retrospective approach.cumulative effect adjustment to opening retained earnings in the year of adoption without restating prior periods. We plan to adopt this ASU on January 1, 2019.2019 and elect the additional transition method and do not expect to record a cumulative effect adjustment to opening Accumulated deficit. We are inexpect the process of evaluating the impact of adoption of the ASU on our consolidated financial statements. We currently believe the most significant changes2016-02 will be related toresult in the recognition of right-of-use assets and lease liabilityliabilities on our consolidated balance sheetsheets for operating leases.leases and will not materially impact our consolidated statements of operations or our debt.
Recently Adopted Accounting Policies
ASU 2014-09, Revenue - Revenue from Contracts with Customers. In May 2014, the FASB issued ASU 2014-09 Revenue from Contracts with Customers (Topic 606). This ASU is a comprehensive new revenue recognition model thatwhich requires a companyentities to recognize revenue to depictrevenues when control of the transfer ofpromised goods or services is transferred to a customercustomers at an amount that reflects the consideration itto which the entity expects to receivebe entitled to in exchange for those goods or services. This ASU alsoIn addition, the standard requires additional disclosure aboutof the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts including significant judgmentswith customers. We adopted ASU 2014-09, and changesall related amendments, which established ASC Topic 606 (the "new revenue standard"), effective as of January 1, 2018. We adopted the new revenue standard using the modified retrospective method by recognizing the cumulative effect of initially applying the new revenue standard to all non-completed contracts as of January 1, 2018 as an adjustment to opening Accumulated deficit in judgmentsthe period of adoption. Results for reporting periods beginning after January 1, 2018 are presented under the new revenue standard, while prior period amounts are not adjusted and continue to be reported in accordance with our historic accounting under Topic 605.
The new revenue standard primarily impacts how we account for revenue share payments and also has other immaterial impacts.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

Revenue Share - Paid Trials
We previously recorded revenue share related to paid trials as Revenue share and royalties expense. Under the new revenue standard, we have recorded these revenue share payments as a reduction to revenue as the payments do not transfer a distinct good or service to us. Prior to the adoption, we recognized revenue share related to paid trial subscriptions as the Current portion of deferred revenue. Under the new revenue standard, we reclassified the revenue share related to paid trial subscriptions existing as of the date of adoption from Current portion of deferred revenue to Accounts payable and accrued expenses. For new paid trial subscriptions, the net amount of the paid trial subscription is recorded as deferred revenue and the portion of revenue share is recorded to Accounts payable and accrued expenses.
Other Impacts
Other impacts of the new revenue standard include:
Activation fees were previously recognized over the expected subscriber life using the straight-line method. Under the new revenue standard, activation fees have been recognized over a one month period from activation as the activation fees are non-refundable and they do not convey a material right. As of January 1, 2018, we reduced deferred revenue related to activation fees of $8,260, net of tax, to Accumulated deficit.
Loyalty payments to OEMs were previously expensed when incurred as Subscriber acquisition costs. Under the new revenue standard, these costs have been capitalized in Prepaid expenses and other current assets recognized fromas costs incurred to obtain or fulfill a contract.contract and these costs will be amortized to Subscriber acquisition costs over an average self-pay subscriber life of that OEM. As of January 1, 2018, we capitalized previously expensed loyalty payments of $10,156, net of tax, to Prepaid expenses and other current assets by reducing Accumulated deficit.
These changes do not have a material impact to our financial statements.
ASU 2018-02, Income Statement - Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income. In August 2015,February 2018, the FASB issued ASU 2015-142018-02 to amend its standard on comprehensive income to provide an option for an entity to reclassify the stranded tax effects of the Tax Cuts and Jobs Act (the “Tax Act”) that was passed in December 2017 from accumulated other comprehensive income (“AOCI”) directly to retained earnings. The stranded tax effects result from the remeasurement of deferred tax assets and liabilities which amendedwere originally recorded in comprehensive income but whose remeasurement is reflected in the income statement. The guidance is effective date of this ASU tofor interim and fiscal years beginning after December 15, 2017, and2018, with early adoption permitted. We elected to adopt ASU 2018-02 effective January 1, 2018 and reclassified the stranded tax effects due to the Tax Act of $4,013 related to the currency translation adjustment from our investment balance and note receivable with Sirius XM Canada from AOCI to Accumulated deficit. The adoption did not have any impact on our unaudited consolidated statement of comprehensive income.
ASU 2018-07,Compensation-Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting. In June 2018, the FASB issued ASU 2018-07 which simplifies the accounting for share-based payments made to nonemployees so that the accounting for such payments is permitted onlysubstantially the same as those made to employees, with certain exceptions. Under this ASU, equity-classified share based awards to nonemployees will be measured at fair value on the grant date of the awards, entities will need to assess the probability of satisfying performance conditions if any are present, and awards will continue to be classified according to ASC 718 upon vesting which eliminates the need to reassess classification upon vesting, consistent with awards granted to employees, unless the award is modified after the service has been rendered, any other conditions necessary to earn the right to benefit from the instruments have been satisfied, and the nonemployee is no longer providing services. The guidance is effective for fiscal years beginning after December 15, 2016. In 2016, the FASB issued additional guidance which clarified principal versus agent considerations, identification of performance obligations2018, including interim periods within those fiscal years, and the implementation guidance for licensing. In addition, the FASB issued guidance regarding practical expedients relatedearly adoption is permitted. We elected to disclosures of remaining performance obligations, as well as other amendments to the guidance on transition, collectibility, non-cash considerationearly adopt ASU 2018-07 effective July 1, 2018 and the presentation of sales and other similar taxes. The two permitted transition methods under the new standard are the fullremeasured our unsettled liability-classified nonemployee awards at their January 1, 2018 fair value by recording a retrospective method, in which case the standard would be applied to each prior reporting period presented, or the modified retrospective method, in which case the cumulative effect of applying the standard would be recognized at the date of initial application. We currently planadjustment to adopt this ASU under the modified retrospective method.opening Accumulated deficit and reclassified our previously liability-classified awards to equity.


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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

We have completed our evaluationThe cumulative effects of the impact this ASU will have onchanges made to our primary revenue streams.  Based on our assessmentconsolidated balance sheet as of the impact of implementing this ASU on January 1, 2018 underfor the adoption of ASU 2014-09, ASU 2018-02 and ASU 2018-07 are included in the table below.
 Balance at
December 31, 2017
 Adjustments Due to ASU 2014-09 Adjustments Due to ASU 2018-02 Adjustments Due to ASU 2018-07 Balance at
January 1, 2018
Balance Sheet         
Assets         
Prepaid expenses and other current assets$129,669
 $8,262
 $
 $
 $137,931
Other long-term assets118,671
 2,576
 
 
 121,247
Deferred tax assets505,528
 (5,915) 
 
 499,613
          
Liabilities:         
Accounts payable and accrued expenses794,341
 32,399
 
 (26,266) 800,474
Current portion of deferred revenue1,881,825
 (41,902) 
 
 1,839,923
Long-term deferred revenue174,579
 (3,990) 
 
 170,589
     
    
Equity:         
Additional paid-in capital1,713,816
 
 
 30,398
 1,744,214
Accumulated deficit(3,243,473) 18,416
 (4,013) (4,132) (3,233,202)
AOCI, net of tax18,407
 
 4,013
 
 22,420
The following tables illustrate the impacts of adopting ASU 2014-09 on our unaudited consolidated statement of comprehensive income.
 For the Three Months Ended September 30, 2018 For the Nine Months Ended September 30, 2018
 As Reported Impact of Adopting ASU 2014-09 Balances Without Adoption of ASU 2014-09 As Reported Impact of Adopting ASU 2014-09 Balances Without Adoption of ASU 2014-09
Income Statement           
Revenues           
Subscriber revenue$1,162,439
 $24,103
 $1,186,542
 $3,418,485
 $72,282
 $3,490,767
            
Expenses           
Revenue share and royalties343,015
 22,743
 365,758
 1,057,431
 67,047
 1,124,478
Subscriber acquisition costs109,469
 902
 110,371
 351,940
 2,748
 354,688
Income tax expense(11,525) (15) (11,540) (162,344) (371) (162,715)
            
Net Income$343,048
 $443
 $343,491
 $924,841
 $2,116
 $926,957

ASU 2016-18,Statement of Cash Flows (Topic 230): Restricted Cash. In November 2016, the FASB issued ASU 2016-18, Statement of Cash Flows (Topic 230): Restricted Cash. This ASU updates the guidance related to the statement of cash flows and requires that the statement include restricted cash with cash and cash equivalents when reconciling beginning and ending cash. The guidance was effective for fiscal years beginning after December 15, 2017, including interim periods within that reporting period. We adopted this ASU effective January 1, 2018. As a result of the adoption, we have added restricted cash to the reconciliation of beginning and ending cash and cash equivalents and included a reconciliation of total cash, cash equivalents and restricted cash to the balance sheet for each period presented in the unaudited consolidated statements of cash flows.


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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

(3)Revenues
Adoption of the new revenue standard
We adopted the new revenue standard using the modified retrospective method by recognizing the most significant impactcumulative effect of initially applying the ASU relatesnew revenue standard to all non-completed contracts as of January 1, 2018 as an adjustment to opening Accumulated deficit in the period of adoption. Results for reporting periods beginning after January 1, 2018 are presented under the new revenue standard, while prior period amounts are not adjusted and continue to be reported in accordance with our historic accounting under ASC Topic 605.
Disaggregation of Revenue
We disaggregate our revenues as shown in the unaudited consolidated statements of comprehensive income.
Nature of goods and services
The following is a description of principal activities from which we generate our revenue, including from subscribers, advertising, and sales of equipment.
Subscriber Revenue
Subscriber revenue consists primarily of subscription fees and other ancillary subscription based revenues. Revenue is recognized on a straight line basis when the performance obligations to provide each service for the period are satisfied, which is over time as our subscription services are continuously transmitted and can be consumed by customers at any time. Consumers purchasing or leasing a vehicle with a factory-installed satellite radio typically receive between a three and twelve month subscription to our service.  In certain cases, the subscription fees for these consumers are prepaid by the applicable automaker. Prepaid subscription fees received from certain automakers or directly from consumers are recorded as deferred revenue and amortized to revenue ratably over the service period which commences upon sale and activation. Activation fees are recognized over one month as the activation fees are non-refundable and do not provide for a material right to the classificationcustomer. There is no revenue recognized for unpaid trial subscriptions. In some cases we pay a loyalty fee to the OEM when we receive a certain amount of payments from self-pay customers acquired from that OEM. These fees are considered incremental costs to obtain a contract and are, therefore, recognized as an asset and amortized to Subscriber acquisition costs over an average subscriber life of that OEM. Revenue share and certain subsidy payments madeloyalty fees paid to automakers associated withthe OEM offering a paid promotional subscription.  Under the new standard, these payments associated with a paid promotional subscription will be treatedtrial are accounted for as a reduction of revenue as the payment does not provide a distinct good or service.
Advertising Revenue
We recognize revenue from the sale of advertising as performance obligations are satisfied upon airing of the advertising; therefore, revenue is recognized at a point in time when each advertising spot is transmitted. Agency fees are calculated based on a stated percentage applied to gross billing revenue for our advertising inventory and are reported as a reduction of advertising revenue.  Additionally, we pay certain third parties a percentage of advertising revenue.  Advertising revenue is recorded gross of such revenue share payments as we control the transaction price rather than as an expense as classified under ASC 605.  We expect this changeadvertising service, including the ability to reduce Subscriptionestablish pricing, and we are primarily responsible for providing the service.  Advertising revenue by less than 3% upon adoption along with a corresponding reductionshare payments are recorded to Revenue share and royalties during the period in which the advertising is transmitted.
Equipment Revenue
Equipment revenue and Subscriber acquisitionroyalties from the sale of satellite radios, components and accessories are recognized when the performance obligation is satisfied and control is transferred, which is generally upon shipment. Revenue is recognized net of discounts and rebates.
Music Royalty Fee and Other Revenue
Music Royalty Fee and Other Revenue primarily consists of U.S. music royalty fees ("MRF"). The related costs we incur for the right to broadcast music and other programming are recorded as a result, we do not expect this changeRevenue share and royalties expense.  Fees

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

received from subscribers for the MRF are recorded as deferred revenue and amortized to have an impactrevenue ratably over the service period as the royalties relate to the subscription services which are continuously delivered to our Net income.  Additionally, withincustomers.
Deferred Revenue
Customers pay for the services in advance of the performance obligation and therefore these prepayments are recorded as deferred revenue. The deferred revenue is recognized as revenue in our unaudited consolidated statement of comprehensive income as the services are provided. Changes in the liability balance sheets, upon adoption,during the amountperiod ended September 30, 2018 was not materially impacted by other factors.
Transaction Price Allocated to the Remaining Performance Obligations
As the majority of our contracts are one year or less, we have utilized the optional exemption under ASC 606-10-50-14 and will not disclose information about the remaining performance obligations for contracts which have original expected durations of one year or less. As of September 30, 2018, less than ten percent of our total deferred revenue share and certain subsidy payments madebalance related to automakers associated with a paid promotional subscriptioncontracts that extended beyond one year. These contracts primarily include prepaid data trials which are typically provided for three to five years as well as for self-pay customers who prepay for their audio subscriptions for up to three years in advance. These amounts will be classifiedrecognized on a straight-line basis as a liability separate from deferred revenue.
The adoption of this ASU will also have an impact to the timing of recognition of certain other ancillary revenue and expense streams, which we do not expect to have a material impact to our consolidated financial statements.
We expect to complete our implementation process, which includes the necessary changes to our business processes, systems and controls to support recognition and disclosure, prior to the adoption of this ASU on January 1, 2018.services are provided.

(4)Earnings per Share
Basic net income per common share is calculated by dividing the income available to common stockholders by the weighted average common shares outstanding during each reporting period.  Diluted net income per common share adjusts the weighted average number of common shares outstanding for the potential dilution that could occur if common stock equivalents (stock options and restricted stock units) were exercised or converted into common stock, calculated using the treasury stock method. We had no participating securities during the three and nine months ended September 30, 20172018 and 2016.2017.
Common stock equivalents of 54,55521,821 and 192,13454,555 for the three months ended September 30, 20172018 and 2016,2017, respectively, and 42,48113,897 and 239,20542,481 for the nine months ended September 30, 20172018 and 2016,2017, respectively, were excluded from the calculation of diluted net income per common share as the effect would have been anti-dilutive.
For the Three Months Ended September 30, For the Nine Months Ended September 30,For the Three Months Ended September 30, For the Nine Months Ended September 30,
2017 2016 2017 20162018 2017 2018 2017
Numerator: 
  
     
  
    
Net income available to common stockholders for basic and diluted net income per common share$275,722
 $193,901
 $684,904
 $541,306
$343,048
 $275,722
 $924,841
 $684,904
Denominator: 
  
  
   
  
  
  
Weighted average common shares outstanding for basic net income per common share4,618,368
 4,870,281
 4,660,041
 4,957,820
4,473,652
 4,618,368
 4,482,249
 4,660,041
Weighted average impact of dilutive equity instruments86,203
 49,548
 74,800
 47,313
100,835
 86,203
 104,097
 74,800
Weighted average shares for diluted net income per common share4,704,571
 4,919,829
 4,734,841
 5,005,133
4,574,487
 4,704,571
 4,586,346
 4,734,841
Net income per common share: 
  
  
   
  
  
  
Basic$0.06
 $0.04
 $0.15
 $0.11
$0.08
 $0.06
 $0.21
 $0.15
Diluted$0.06
 $0.04
 $0.14
 $0.11
$0.07
 $0.06
 $0.20
 $0.14

(5)Receivables, net
Receivables, net, includes customer accounts receivable, receivables from distributors and other receivables.
Customer accounts receivable, net, includes receivables from our subscribers and other customers, including advertising, and is stated at amounts due, net of an allowance for doubtful accounts. Our allowance for doubtful accounts is based upon our assessment of various factors.  We consider historical experience, the age of the receivable balances, current economic conditions and other factors that may affect the counterparty’s ability to pay.  Bad debt expense is included in Customer service and billing expense in our unaudited consolidated statements of comprehensive income.

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(Dollars and shares in thousands, except per share amounts)

conditions and other factors that may affect the counterparty’s ability to pay.  Bad debt expense is included in Customer service and billing expense in our unaudited consolidated statements of comprehensive income.
Receivables from distributors primarily include billed and unbilled amounts due from OEMs for services included in the sale or lease price of vehicles, as well as billed amounts due from wholesale distributors of our satellite radios.  Other receivables primarily include amounts due from manufacturers of our radios, modules and chipsets where we are entitled to subsidies and royalties based on the number of units produced.  We have not established an allowance for doubtful accounts for our receivables from distributors or other receivables as we have historically not experienced any significant collection issues with OEMs or other third parties.
Receivables, net, consists of the following:
September 30, 2017 December 31, 2016September 30, 2018 December 31, 2017
Gross customer accounts receivable$105,875
 $105,737
$106,919
 $100,342
Allowance for doubtful accounts(9,967) (8,658)(7,020) (9,500)
Customer accounts receivable, net$95,908
 $97,079
$99,899
 $90,842
Receivables from distributors102,523
 98,498
114,962
 121,410
Other receivables26,570
 27,452
30,907
 29,475
Total receivables, net$225,001
 $223,029
$245,768
 $241,727

(6)Inventory, net
Inventory consists of finished goods, refurbished goods, chipsets and other raw material components used in manufacturing radios and connected vehicle devices. Inventory is stated at the lower of cost or market.  We record an estimated allowance for inventory that is considered slow moving or obsolete or whose carrying value is in excess of net realizable value.  The provision related to products purchased for resale in our direct to consumer distribution channel and components held for resale by us is reported as a component of Cost of equipment in our unaudited consolidated statements of comprehensive income.  The provision related to inventory consumed in our OEM channel is reported as a component of Subscriber acquisition costs in our unaudited consolidated statements of comprehensive income.
Inventory, net, consists of the following:
September 30, 2017 December 31, 2016September 30, 2018 December 31, 2017
Raw materials$6,649
 $10,219
$5,650
 $6,489
Finished goods23,962
 19,581
18,510
 21,225
Allowance for obsolescence(8,142) (9,437)(4,646) (7,515)
Total inventory, net$22,469
 $20,363
$19,514
 $20,199

(7)Goodwill
Goodwill represents the excess of the purchase price over the estimated fair value of the net tangible and identifiable intangible assets acquired in business combinations. Our annual impairment assessment of our single reporting unit is performed as of the fourth quarter of each year, and an assessment is performed at other times if an event occurs or circumstances change that would more likely than not reduce the fair value of a reporting unit below its carrying amount. IfASC 350, Intangibles - Goodwill and Other, states that an entity should perform its annual or interim goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount and recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value. ASC 350 also states that a reporting unit with a zero or negative carrying amount is not required to perform a qualitative assessment. The carrying amount recorded for our one reporting unit and goodwill was $(1,375,375) and $2,289,985, respectively, as of goodwill exceeds its fair value,September 30, 2018.
We recorded $3,403 to Goodwill related to an impairment loss is recognized. As a result of theimmaterial acquisition of Automatic, we recorded additional goodwill of $81,452 during the ninethree months ended September 30, 2017.2018.
As of September 30, 2017,2018, there were no indicators of impairment, and no impairment loss waslosses were recorded for goodwill during the three and nine months ended September 30, 20172018 and 2016.2017.  As of September 30, 2017,2018, the cumulative balance of goodwill impairments recorded since the July 2008 merger (the “Merger”) between our wholly owned subsidiary, Vernon Merger Corporation, and XM Satellite Radio Holdings Inc. (“XM”), was $4,766,190, which was recognized during the year ended December 31, 2008.


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Merger Corporation, and XM Satellite Radio Holdings Inc. (“XM”), was $4,766,190, which was recognized during the year ended December 31, 2008.

(8)Intangible Assets
Our intangible assets include the following:
  September 30, 2017 December 31, 2016  September 30, 2018 December 31, 2017
Weighted
Average
Useful Lives
 Gross
Carrying
Value
 Accumulated Amortization Net Carrying
Value
 Gross
Carrying
Value
 Accumulated Amortization Net Carrying
Value
Weighted
Average
Useful Lives
 Gross
Carrying
Value
 Accumulated Amortization Net Carrying
Value
 Gross
Carrying
Value
 Accumulated Amortization Net Carrying
Value
Indefinite life intangible assets:   
  
  
  
  
  
   
  
  
  
  
  
FCC licensesIndefinite $2,083,654
 $
 $2,083,654
 $2,083,654
 $
 $2,083,654
Indefinite $2,083,654
 $
 $2,083,654
 $2,083,654
 $
 $2,083,654
TrademarkIndefinite 250,800
 
 250,800
 250,000
 
 250,000
TrademarksIndefinite 250,800
 
 250,800
 250,800
 
 250,800
Definite life intangible assets:   
  
  
  
  
  
   
  
  
  
  
  
Subscriber relationships9 years 380,000
 (380,000) 
 380,000
 (364,893) 15,107
9 years 
 
 
 380,000
 (380,000) 
OEM relationships15 years 220,000
 (57,444) 162,556
 220,000
 (46,444) 173,556
15 years 220,000
 (72,111) 147,889
 220,000
 (61,111) 158,889
Licensing agreements12 years 45,289
 (33,428) 11,861
 45,289
 (30,664) 14,625
12 years 45,289
 (37,104) 8,185
 45,289
 (34,350) 10,939
Software and technology7 years 43,915
 (24,077) 19,838
 29,215
 (21,356) 7,859
7 years 33,872
 (19,016) 14,856
 43,915
 (25,351) 18,564
Total intangible assets  $3,023,658
 $(494,949) $2,528,709
 $3,008,158
 $(463,357) $2,544,801
  $2,633,615
 $(128,231) $2,505,384
 $3,023,658
 $(500,812) $2,522,846

Indefinite Life Intangible Assets
We have identified our FCC licenses and the XM trademarkand Automatic Labs Inc. trademarks as indefinite life intangible assets after considering the expected use of the assets, the regulatory and economic environment within which they are used and the effects of obsolescence on their use. As part of the Automatic acquisition in April 2017, we have also identified $800 related to its trademark.
We hold FCC licenses to operate our satellite digital audio radio service and provide ancillary services. The following table outlines the years in which each of our satellite licenses expires:
FCC satellite licensesExpiration year
SIRIUS FM-52025
SIRIUS FM-62022
XM-32021
XM-42022
XM-52018
Prior to expiration, we are required to apply for a renewal of our FCC licenses.  The renewal and extension of our licenses is reasonably certain at minimal cost, which is expensed as incurred.  Each of the FCC licenses authorizes us to use the radio spectrum, which is a renewable, reusable resource that does not deplete or exhaust over time.
Our annual impairment assessment of our identifiable indefinite life intangible assets is performed as of the fourth quarter of each year. An assessment is performed at other times if an event occurs or circumstances change that would more likely than not reduce the fair value of the asset below its carrying value. If the carrying value of the intangible assets exceeds its fair value, an impairment loss is recognized. As of September 30, 2017,2018, there were no indicators of impairment, and no impairment loss was recorded,recognized for intangible assets with indefinite lives during the three and nine months ended September 30, 2018 and 2017.
Definite Life Intangible Assets
Amortization expense for all definite life intangible assets was $5,738 and $7,966 for the three months ended September 30, 2018 and 2017, respectively, and 2016.$17,462 and $31,592 for the nine months ended September 30, 2018 and 2017, respectively. We retired definite lived intangible assets of $390,043 during the nine months ended September 30, 2018 primarily related to fully amortized subscriber relationships. There were no retirements of definite lived intangible assets during the nine months ended September 30, 2017. The expected amortization expense for the remaining period in 2018, each of the fiscal years 2019 through 2022 and for periods thereafter is as follows:
Years ending December 31, Amount
2018 (remaining) $5,675
2019 22,701
2020 22,121
2021 16,678
2022 15,542
Thereafter 88,213
Total definite life intangible assets, net $170,930

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(Dollars and shares in thousands, except per share amounts)

Definite Life Intangible Assets
As part of the Automatic acquisition in April 2017, $14,700 was allocated to identifiable intangible assets subject to amortization and relates to the assessed fair value of software and technology. Amortization expense for all definite life intangible assets was $7,966 and $12,080 for the three months ended September 30, 2017 and 2016, respectively, and $31,592 and $36,778 for the nine months ended September 30, 2017 and 2016, respectively. Expected amortization expense for the remaining period in 2017, each of the fiscal years 2018 through 2021 and for periods thereafter is as follows:
Years ending December 31, Amount
2017 (remaining) $5,863
2018 23,138
2019 22,701
2020 22,121
2021 16,678
Thereafter 103,754
Total definite life intangible assets, net $194,255

(9)Property and Equipment
Property and equipment, net, consists of the following:
September 30, 2017 December 31, 2016September 30, 2018 December 31, 2017
Satellite system$1,586,794
 $1,586,794
$1,586,794
 $1,586,794
Terrestrial repeater network123,584
 127,854
125,124
 123,254
Leasehold improvements55,090
 53,898
59,482
 57,635
Broadcast studio equipment91,181
 84,697
106,478
 96,582
Capitalized software and hardware579,075
 558,101
737,271
 639,516
Satellite telemetry, tracking and control facilities67,492
 77,290
75,032
 69,147
Furniture, fixtures, equipment and other90,817
 90,214
100,882
 96,965
Land38,411
 38,411
38,411
 38,411
Building61,810
 61,597
62,461
 61,824
Construction in progress280,614
 144,954
419,641
 301,153
Total property and equipment2,974,868
 2,823,810
3,311,576
 3,071,281
Accumulated depreciation and amortization(1,547,254) (1,425,117)(1,813,279) (1,608,515)
Property and equipment, net$1,427,614
 $1,398,693
$1,498,297
 $1,462,766
Construction in progress consists of the following:
September 30, 2017 December 31, 2016September 30, 2018 December 31, 2017
Satellite system$141,707
 $43,977
$276,627
 $183,243
Terrestrial repeater network2,215
 1,139
4,037
 2,515
Capitalized software112,561
 82,204
Capitalized software and hardware116,692
 94,456
Other24,131
 17,634
22,285
 20,939
Construction in progress$280,614
 $144,954
$419,641
 $301,153
Depreciation and amortization expense on property and equipment was $71,947$69,772 and $55,800$71,947 for the three months ended September 30, 20172018 and 2016,2017, respectively, and $198,544$204,883 and $165,437$198,544 for the nine months ended September 30, 20172018 and 2016,2017, respectively.  We retired property and equipment of $77,040 and $583,562 during the nine months ended September 30, 2017. There were no retirements of property and equipment during the nine months ended September 30, 2018.
We capitalize a portion of the interest on funds borrowed to finance the construction and launch of our satellites. Capitalized interest is recorded as part of the asset’s cost and depreciated over the satellite’s useful life. Capitalized interest costs were $3,097 and $1,324 for the three months ended September 30, 2018 and 2017, respectively, and 2016, respectively. We recognized a loss on disposal$8,252 and $3,047 for the nine months ended September 30, 2018 and 2017, respectively, which related to the construction of assets of $12,912, which was recorded in Satelliteour SXM-7 and SXM-8 satellites.

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transmission expense in our unaudited consolidated statements of comprehensive income, during the nine months ended September 30, 2016, which related to the disposal of certain obsolete spare parts for a future satellite.
We capitalize a portion of the interest on funds borrowed to finance the construction and launch of our satellites and launch vehicles. Capitalized interest is recorded as part of the asset’s cost and depreciated over the satellite’s useful life. Capitalized interest costs was $1,324 and $3,047 for the three and nine months ended September 30, 2017, respectively, and $107 for the three and nine months ended September 30, 2016, which related to the construction of our SXM-7 and SXM-8 satellites.
Satellites
As of September 30, 2017,2018, we owned a fleet of five satellites.  The chart below provides certain information on our satellites as of September 30, 2017:2018:
Satellite Description Year Delivered Estimated End of
Depreciable Life
SIRIUS FM-5 2009 2024
SIRIUS FM-6 2013 2028
XM-3 2005 2020
XM-4 2006 2021
XM-5 2010 2025
Each satellite requires an FCC license and prior to the expiration of each license, we are required to apply for a renewal of the FCC satellite licenses.  The renewal and extension of our licenses is reasonably certain at minimal cost, which is expensed as incurred. We submitted our renewal application for the XM-5 license during the third quarter.
The following table outlines the years in which each of our satellite licenses expires:
FCC satellite licensesExpiration year
SIRIUS FM-52025
SIRIUS FM-62022
XM-32021
XM-42022
XM-52018

(10)
Related Party Transactions 
In the normal course of business, we enter into transactions with related parties.parties such as Liberty Media, Sirius XM Canada and Pandora.

Liberty Media
As of September 30, 2017,2018, Liberty Media beneficially owned, directly and indirectly, approximately 69%71% of the outstanding shares of our common stock andstock. Liberty Media has two executives and one of its directors on our board of directors.  Gregory B. Maffei, the President and Chief Executive Officer of Liberty Media, is the Chairman of our board of directors.

Sirius XM Canada
On May 25, 2017, Sirius XM completed a recapitalization of Sirius XM Canada (the “Transaction”), which is now a privately held corporation.
Following the Transaction, Sirius XM holds a 70% equity interest and 33% voting interest in Sirius XM Canada, with the remainder of the voting power and equity interestinterests held by two of Sirius XM Canada’s previous shareholders. The total consideration from Sirius XM to Sirius XM Canada, excluding transaction costs, during the nine monthsyear ended September 30,December 31, 2017 was $308,526, which included $129,676 in cash and we issued 35,000 shares of our common stock with an aggregate value of $178,850 to the holders of the shares of Sirius XM Canada acquired in the Transaction. Sirius XM received common stock, non-voting common stock and preferred stock of Sirius XM Canada. Sirius XM now ownsWe own 590,950 shares of preferred stock of Sirius XM Canada, which has a liquidation preference of one Canadian dollar per share.
In connection with the Transaction, Sirius XM also made a contribution in the form of a loan to Sirius XM Canada in the aggregate amount of $130,794 on May 25, 2017.$130,794. The loan is denominated in Canadian dollars and is considered a long-term investment with any unrealized gains or losses reported within Accumulated other comprehensive (loss) income. SuchThe loan has a term of fifteen years, bears interest at a rate of 7.62% per annum and includes customary covenants and events of default, including an event of

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(Dollars and shares in thousands, except per share amounts)

default relating to Sirius XM Canada’s failure to maintain specified leverage ratios. In addition, theThe terms of the loan require Sirius XM Canada to prepay a portion of the outstanding principal amount of the loan within sixty days of the end of each fiscal year in an amount equal to any cash on hand in excess of C$10,000 at the last day of the financial year if all target dividends have been paid in full. During the nine months ended September 30, 2018, Sirius XM Canada repaid $3,242 of the principal amount of the loan.
In connection with the Transaction, Sirius XM also entered into a Services Agreement and an Advisory Services Agreement with Sirius XM Canada. Each agreement has a thirty year term. Pursuant to the Services Agreement, Sirius XM

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Canada will paypays Sirius XM 25% of its gross revenues on a monthly basis through December 31, 2021 and 30% of its gross revenues on a monthly basis thereafter. Pursuant to the Advisory Services Agreement, Sirius XM Canada will paypays Sirius XM 5% of its gross revenues on a monthly basis. These agreements supersedesuperseded and replacereplaced the existingformer agreements between Sirius XM Canada and its predecessors and Sirius XM.
Sirius XM Canada is accounted for as an equity method investment, and its results are not consolidated in our unaudited consolidated financial statements. We doSirius XM Canada does not meet the requirements for consolidation as we do not have the ability to direct the most significant activities that impact Sirius XM Canada's economic performance.
We had the following related party balances associated with Sirius XM Canada:

September 30, 2017
December 31, 2016September 30, 2018
December 31, 2017
Related party current assets$12,375
 $6,170
$10,087
 $10,284
Related party long-term assets$465,105
 $8,918
$464,388
 $481,608
Related party current liabilities$3,018
 $2,840
$4,380
 $2,839
Related party long-term liabilities$6,778
 $7,955
$5,889
 $7,364
Under the legacy agreement with Sirius XM Canada, as of December 31, 2016, our related party current assets balance primarily consisted of activation fees and streaming and chipset costs for which we were reimbursed. As of September 30, 2018 and December 31, 2017, our related party current asset balance included amounts due under the new services arrangementsServices Agreement and Advisory Services Agreement and certain amounts related to transactions outside the scope of the new services arrangements. Our related party long-term assets balance as of September 30, 20172018 and December 31, 20162017 included the carrying value of our investment balance in Sirius XM Canada of $323,593$331,231 and $8,615,$341,214, respectively, and, as of September 30, 2018 and December 31, 2017, also included $141,189$133,157 and $140,073, respectively, for the currentlong-term value of the outstanding loan to Sirius XM Canada. Our related party liabilities as of each of September 30, 20172018 and December 31, 20162017 included $2,776 for the current portion of deferred revenue and $5,782$3,006 and $7,867,$5,088, respectively, for the long-term portion of deferred revenue recorded as of the Merger date related to agreements with legacy XM Canada, now Sirius XM Canada.  These costs are being amortized on a straight line basis through 2020.

Sirius XM Canada paid gross dividends to us of $402 during the three months ended September 30, 2018 and $1,840 and $3,796 during the nine months ended September 30, 2018 and 2017, respectively. Sirius XM Canada did not pay any dividends to us during the three months ended September 30, 2017.  Dividends are first recorded as a reduction to our investment balance in Sirius XM Canada to the extent a balance exists and then as Other income for any remaining portion.
We recorded the following revenue and other income associated with Sirius XM Canada in our unaudited consolidated statements of comprehensive income:
For the Three Months Ended September 30, For the Nine Months Ended September 30,For the Three Months Ended September 30, For the Nine Months Ended September 30,
2017 2016 2017 20162018 2017 2018 2017
Revenue (a)(b)
$23,141
 $11,551
 $63,486

$32,129
$24,606
 $23,141
 $71,976

$63,486
Other income 
  
 




 
  
 




Share of net earnings (b)
$9,725
 $1,274
 $7,542

$9,725
$1,034
 $9,725
 $1,119

$7,542
Dividends (c)
$
 $
 $

$3,575
Interest income (d)
$2,718

$

$3,521

$
Interest income (c)
$2,553

$2,718

$7,757

$3,521
(a)Prior to the Transaction, under our legacyformer agreements with Sirius XM Canada, we received a percentage-based fee of 10% and 15% for certain types of subscription revenue earned by Sirius XM Canada for the use of the Sirius and XM platforms, respectively, and additional fees for premium services and fees for activation fees and reimbursements for other charges.  We record revenue from Sirius XM Canada as Other revenue in our unaudited consolidated statements of comprehensive income.
(b)Prior to the Transaction, we recognized our proportionate share of revenue and earnings or losses attributable to Sirius XM Canada as they occurred as Other revenue and as a component of Other income, respectively, in our unaudited consolidated statements of comprehensive income on a one month lag. As a result of the Transaction, there is no longer a one-month lag for recognizing our proportionate share of revenue and earnings or losses attributable to Sirius XM Canada.
(c)
Sirius XM Canada did not pay any dividends to us during the three months ended September 30, 2017 and 2016. Sirius XM Canada paid gross dividends to us of $3,796 and $7,548 during the nine months ended September 30, 2017 and 2016, respectively.  These dividends were first recorded as a reduction to our investment balance in Sirius XM Canada to the extent a balance existed and then as Other income for the remaining portion.
(d)This interest income relates to the loan to Sirius XM Canada and is recorded as Other income in our unaudited consolidated statements of comprehensive income.


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(b)Prior to the Transaction, we recognized our proportionate share of revenue and earnings or losses attributable to Sirius XM Canada on a one month lag. As a result of the Transaction, there is no longer a one-month lag and Sirius XM Canada changed its fiscal year-end to December 31 to align with us. For the three and nine months ended September 30, 2018, Share of net earnings included $603 and $1,838, respectively, of amortization related to equity method intangible assets.
(c)This interest income relates to the loan to Sirius XM Canada and is recorded as Other income in our unaudited consolidated statements of comprehensive income.

Pandora
On September 22, 2017, Sirius XM completed a $480,000 investment in Pandora. Pursuant to an Investment Agreement with Pandora in which Sirius XM purchased 480 shares of Pandora’s Series A Convertible Preferred Stock, par value $0.0001 per share (the “Series A Preferred Stock”), for an aggregate purchase price. As of $480,000. TheSeptember 30, 2018, the Series A preferred stockPreferred Stock, including accrued but unpaid dividends, represents a stake of approximately 19%18% of Pandora's currently outstanding common stock outstanding and approximately a 16%15% interest on an as-converted basis. Pandora operates an internet-based music discovery platform, offering a personalized experience for listeners.
The Series A Preferred Stock is convertible at the option of the holders at any time into shares of common stock of Pandora (“Pandora Common Stock”) at an initial conversion price of $10.50 per share of Pandora Common Stock and an initial conversion rate of 95.2381 shares of Pandora Common Stock per share of Series A Preferred Stock, subject to adjustments for accrued but unpaid dividends and certain customary anti-dilution adjustments. Holders of the Series A Preferred Stock are entitled to a cumulative dividend at the rate of 6.0% per annum, payable quarterly in arrears, if and when declared. DuringPandora has the three and nine months ended September 30, 2017, we recognized $2,991 and $3,595, respectively, relatedoption to the dividend declared by Pandora, which was recorded to Other incomepay dividends in our unaudited consolidated statementscash or accumulate dividends in lieu of comprehensive income and Long-term investment within our unaudited consolidated balance sheets.paying cash. Any conversion of Series A Preferred Stock may be settled by Pandora, at its option, in shares of Pandora Common Stock, cash or any combination thereof. However, unless and until Pandora’s stockholders have approved the issuance of greater than 19.99% of the outstanding Pandora Common Stock, the Series A Preferred Stock may not be converted into more than 19.99% of Pandora’s outstanding Pandora Common Stock as of the Initial Closing.
June 9, 2017. The investment includes a mandatory redemption feature on any date from and after September 22, 2022 whereby Sirius XM, at its option, may require Pandora to purchaseliquidation preference of the Series A Preferred Stock, at a price equal to 100%including accrued dividends of the liquidation preference plus accrued but unpaid dividends for, at the election$33,270, was $513,270 as of Pandora, cash, shares of Pandora Common Stock or a combination thereof, and as such the investment qualifies as a debt security under ASC 320. September 30, 2018.
As the investment includes a conversion option, we have elected to account for this investment under the fair value option to reduce the accounting asymmetry that would otherwise arise when recognizing the changes in the fair value of available-for-sale investments. Under the fair value option, any gains (losses) associated with the change in fair value will be recognized in Other income within our unaudited consolidated statements of comprehensive income. In connection with the acquisition of Pandora, the Series A $68,650Preferred Stock will be canceled as part of the proposed transaction. The cancellation of the Series A Preferred Stock as part of the proposed transaction has reduced the value of the Pandora investment as compared to the prior quarter. We recognized a $43,569 unrealized loss and $73,880 unrealized gain was recognizedduring the three and nine months ended September 30, 2018, respectively, and a $72,245 unrealized gain during the three and nine months ended September 30, 2017 as Other income in our unaudited consolidated statements of comprehensive income associated withfor this investment. The fair value of our investment in Pandora, including accrued dividends, as of September 30, 2018 and December 31, 2017 was $552,245$554,352 and $480,472, respectively, and is recorded as a related party long-term asset within our unaudited consolidated balance sheets. This investment does not meet the requirements for the equity method of accounting as it does not qualify as in-substance common stock.
On September 23, 2018, Holdings entered into an Agreement and Plan of Merger and Reorganization (the “Merger Agreement”), by and among Holdings, Pandora and White Oaks Acquisition Corp., pursuant to which, subject to the terms and conditions of the Merger Agreement, Holdings agreed to acquire Pandora (such transaction, the “Merger”). Pursuant to the Investment Agreement, we have appointed threeMerger, each outstanding share of our senior executives or members of our Board of Directors to Pandora’s Board of Directors, one of whom serves as the Chairman of Pandora's Board of Directors.
Our right to designate directors will fall away once we and our affiliates fail to beneficially own shares of Series A Preferred Stock and/or Pandora Common Stock, issued upon conversion thereof equalwill be converted into the right to (on an as-converted basis) at least 50%receive 1.44 shares (the “Exchange Ratio”) of Holdings common stock, par value $0.001 per share (“Holdings Common Stock”).

Further, pursuant to the number ofMerger:
each option granted by Pandora under its stock incentive plans to purchase shares of Pandora Common Stock, issuable upon conversion of the Series A Preferred Stock purchased under the Investment Agreement. Following the earlierwhether vested or unvested will be assumed and converted into an option to occur of (i) September 22, 2019 and (ii) the date on which we and our affiliates fail to beneficially ownpurchase shares of Series A Preferred Stock and/or PandoraHoldings Common Stock, that were issued upon conversion of Series A Preferred Stock equalwith appropriate adjustments (based on the Exchange Ratio) to (on an as-converted basis) at least 75% of the exercise price and number of shares of PandoraHoldings Common Stock issuable upon conversionsubject to such option, and will have the same vesting schedule and exercise conditions as in effect as of immediately prior to the closing of the Series A Preferred Stock purchased under the Investment Agreement, we have the right to designate only two directors.Merger;
We are subject to certain standstill restrictions, including, among other things, that we are restricted from acquiring additional securities of Pandora until December 9, 2018.
Except as to matters that may be voted upon separately by holders of the Series A Preferred Stock, we are entitled to vote as a single class with the holders of Pandora Common Stock on an as-converted basis (up to a maximum of 19.99% of the Pandora Common Stock outstanding on June 9, 2017, unless stockholder approval has been received). We are also entitled to a separate class vote with respect to certain amendments to Pandora’s organizational documents, issuances by Pandora of securities that are senior to, or equal in priority with, the Series A Preferred Stock and the incurrence of certain indebtedness by Pandora.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

Upon certain changeeach unvested restricted stock unit granted by Pandora under its stock incentive plans will be assumed and converted into an unvested restricted stock unit of control events involving Pandora, Pandora is requiredHoldings, with appropriate adjustments (based on the Exchange Ratio) to repurchase allthe number of shares of Holdings Common Stock to be received, and will have the same vesting schedule and settlement date as in effect as of immediately prior to the closing of the Series A PreferredMerger; and
each unvested performance award granted by Pandora under its stock incentive plans shall be canceled and forfeited if the per share value of merger consideration at the closing of the transactions as determined pursuant to the Merger Agreement is less than $20.00, and otherwise each such award will be assumed and converted into a time vesting award to receive a number of shares of Holdings Common Stock based on the Exchange Ratio, and will have the same vesting schedule as in effect as of immediately prior to the closing of the Merger.

The Merger Agreement contains customary representations and warranties from both Holdings and Pandora, and each party has agreed to customary covenants, including covenants relating to the conduct of Holdings’ and Pandora’s businesses during the period between the execution of the Merger Agreement and the closing of the Merger. In the case of Pandora, such obligations include its agreement to call a meeting of its stockholders to adopt the Merger Agreement, and, subject to certain exceptions, to recommend that its stockholders adopt the Merger Agreement.

During the period beginning on the date of the Merger Agreement and ending at 12:01 A.M. (New York City time) on October 24, 2018 (the “No-Shop Period Start Date”), Pandora has the right to (i) initiate, solicit, facilitate and encourage any inquiry or the making of any proposal or offer that constitutes, or could reasonably be expected to lead to, a competing acquisition proposal, (ii) furnish to any person that is party to an acceptable confidentiality agreement any information which is reasonably requested by any person in connection with their potentially making a competing acquisition proposal and (iii) participate or engage in discussions or negotiations with such person regarding a competing acquisition proposal.

On the No-Shop Period Start Date, Pandora will cease such activities, and will be subject to further restrictions, including that it will not (i) solicit proposals or offers that constitute, or could reasonably be expected to lead to, a competing acquisition proposal or (ii) engage in any discussions or negotiations regarding a competing acquisition proposal. However, prior to obtaining stockholder approval, Pandora may engage in the foregoing activities with any third party that provides Pandora with a competing acquisition proposal after the execution of the Merger Agreement and prior to the No-Shop Period Start Date (an “Excluded Party”), which acquisition proposal the Pandora board of directors determines in good faith prior to the No-Shop Period Start Date is or would reasonably be expected to lead to a superior proposal, unless such proposal is withdrawn or, in the good faith determination of the Pandora board of directors, no longer is or would reasonably be expected to lead to a superior proposal. Furthermore, Pandora can also engage in such activities with any third party that provides to Pandora an unsolicited bona fide written competing acquisition proposal, if the Pandora board of directors determines in good faith that such acquisition proposal constitutes, or is reasonably likely to result in, a superior proposal.

Prior to the approval of the Merger Agreement by the Pandora stockholders, the Pandora board of directors may change its recommendation that the Pandora stockholders adopt the Merger Agreement if the Pandora board of directors receives a superior proposal or if there is an intervening event, but only if certain conditions are satisfied with respect thereto and Pandora complies with its obligations in respect thereof.

The Pandora stockholders will be asked to vote on the adoption of the Merger Agreement at a price equalspecial stockholder meeting that will be held on a date to be announced. The Merger is conditioned upon the greatervote of (1) an amount in cash equal to 100%holders of a majority of the liquidation preference thereof plus all accrued but unpaid dividends through June 9, 2022 (assuming suchcombined voting power of the outstanding shares of Pandora Common Stock and the outstanding shares of Series A Preferred Stock, remain outstanding through such date)voting together as a single class, in favor of the adoption of the Merger Agreement. Holdings has agreed to vote or cause to be voted all of the shares owned beneficially or of record by Holdings or its affiliates.

In addition to the stockholder approval described above, the completion of the Merger is subject to other customary conditions, including, among others, (i) the waiting period applicable to the Merger under the Hart-Scott-Rodino Antitrust Improvements Act has expired or been terminated, (ii) the decisions, orders, consents or expiration of any waiting periods required by the competition laws of other countries and (2)jurisdictions, (iii) the considerationabsence of any law or order that prohibits or makes illegal the holders wouldMerger and (iv) subject to certain exceptions, the accuracy of the representations and warranties of each party and compliance by the parties with their respective covenants.


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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

It is intended that the Merger qualifies as a "reorganization" within the meaning of Section 368(a) of the Internal Revenue Code of 1986 for Federal income tax purposes. However, if either Pandora or Holdings are unable to receive an opinion of counsel to that effect, the parties have received if they had converted their sharesagreed to restructure the Merger so that the Merger will be treated as a taxable stock sale.

The Merger Agreement provides certain termination rights for both Holdings and Pandora, including the right of Series A Preferred Stock into Pandora, Common Stock immediately prior to the change of control event (disregarding the 19.99% cap).
Beginning on September 22, 2020, if the volume weighted average price per share of Pandora Common Stock exceeds $18.375, as may be adjusted, for at least 20 trading days in any period of 30 consecutive trading days, Pandora may redeem alladoption of the outstanding Series A Preferred Stock at a price equalMerger Agreement by the Pandora stockholders, to 100% ofterminate the liquidation preference thereof plus all accrued but unpaid dividends for, at the election of Pandora, cash, shares of Pandora Common Stock or a combination thereof, provided that, unless stockholder approval has been received, Pandora may not settle the redemption for shares of Pandora Common StockMerger Agreement in order to the extent the 19.99% cap would be exceeded.
Pursuant to a registration rightsenter into an agreement entered into with Pandora, we have certain customary registration rights with respect to a superior proposal, so long as Pandora complies with certain notice and other requirements set forth in the Series A Preferred StockMerger Agreement. In connection with any such termination and under other specified circumstances, Pandora Common Stock issued upon conversion thereof.must pay Holdings a termination fee of $105,000; provided that if, subject to specified limitations, Pandora terminates the Merger Agreement to accept a superior proposal with an Excluded Party by 11:59 P.M. (New York City time) on November 22, 2018, Pandora will pay Holdings a termination fee of $52,500.

(11)Debt
Our debt as of September 30, 20172018 and December 31, 20162017 consisted of the following:
           
Carrying value(a) at
           
Carrying value(a) at
Issuer / Borrower Issued Debt Maturity Date Interest Payable Principal Amount at September 30, 2017 September 30, 2017 December 31, 2016 Issued Debt Maturity Date Interest Payable Principal Amount at September 30, 2018 September 30, 2018 December 31, 2017
Sirius XM
(b)(e)
 May 2013 4.25% Senior Notes
(the "4.25% Notes")
 May 15, 2020 semi-annually on May 15 and November 15 $
 $
 $497,069
Sirius XM
(b)(f)
 August 2013 5.75% Senior Notes
(the "5.75% Notes")
 August 1, 2021 semi-annually on February 1 and August 1 
 
 596,386
Sirius XM
(b)(h)
 July 2017 3.875% Senior Notes
(the "3.875% Notes")
 August 1, 2022 semi-annually on February 1 and August 1 1,000,000
 991,617
 
Sirius XM
(b)
 May 2013 4.625% Senior Notes
(the "4.625% Notes")
 May 15, 2023 semi-annually on May 15 and November 15 500,000
 496,510
 496,111
 July 2017 3.875% Senior Notes August 1, 2022 semi-annually on February 1 and August 1 $1,000,000
 $993,218
 $992,011
Sirius XM
(b)
 May 2014 6.00% Senior Notes
(the "6.00% Notes")
 July 15, 2024 semi-annually on January 15 and July 15 1,500,000
 1,487,632
 1,486,556
 May 2013 4.625% Senior Notes May 15, 2023 semi-annually on May 15 and November 15 500,000
 497,064
 496,646
Sirius XM
(b)
 March 2015 5.375% Senior Notes
(the "5.375% Notes due 2025")
 April 15, 2025 semi-annually on April 15 and October 15 1,000,000
 991,044
 990,340
 May 2014 6.00% Senior Notes July 15, 2024 semi-annually on January 15 and July 15 1,500,000
 1,489,146
 1,488,002
Sirius XM
(b)
 May 2016 5.375% Senior Notes
(the "5.375% Notes due 2026")
 July 15, 2026 semi-annually on January 15 and July 15 1,000,000
 989,914
 989,259
 March 2015 5.375% Senior Notes April 15, 2025 semi-annually on April 15 and October 15 1,000,000
 992,028
 991,285
Sirius XM
(b)
 May 2016 5.375% Senior Notes July 15, 2026 semi-annually on January 15 and July 15 1,000,000
 990,830
 990,138
Sirius XM
(b)
 July 2017 5.00% Senior Notes August 1, 2027 semi-annually on February 1 and August 1 1,500,000
 1,487,017
 1,486,162
Sirius XM
(c)
 December 2012 Senior Secured Revolving Credit Facility (the "Credit Facility") June 29, 2023 variable fee paid quarterly 1,750,000
 118,000
 300,000
Sirius XM
(h)
 July 2017 5.00% Senior Notes
(the "5.00% Notes")
 August 1, 2027 semi-annually on February 1 and August 1 1,500,000
 1,485,884
 
 Various Capital leases Various  n/a  n/a
 6,963
 10,597
Sirius XM
(b)(c)(g)
 August 2012 5.25% Senior Secured Notes (the "5.25% Notes") August 15, 2022 semi-annually on February 15 and August 15 
 
 396,232
Sirius XM
(d)
 December 2012 Senior Secured Revolving Credit Facility (the "Credit Facility") June 16, 2020 variable fee paid quarterly 1,750,000
 290,000
 390,000
Sirius XM Various Capital leases Various  n/a  n/a
 8,718
 13,559
Total DebtTotal Debt 6,741,319
 5,855,512
Total Debt 6,574,266
 6,754,841
Less: total current maturitiesLess: total current maturities 4,220
 5,485
Less: total current maturities 4,411
 5,105
Less: total deferred financing costs for NotesLess: total deferred financing costs for Notes 8,750
 7,263
Less: total deferred financing costs for Notes 7,703
 8,493
Total long-term debtTotal long-term debt $6,728,349
 $5,842,764
Total long-term debt $6,562,152
 $6,741,243
(a)The carrying value of the obligations is net of any remaining unamortized original issue discount.
(b)Substantially all of our domestic wholly-owned subsidiaries have guaranteed these notes.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

(c)The liens that securedIn June 2018, Sirius XM entered into an amendment to extend the 5.25% Notes were equal and ratable to the liens granted to securematurity of the Credit Facility.  
(d)Facility to June 2023. Sirius XM's obligations under the Credit Facility are guaranteed by certain of its material domestic subsidiaries and are secured by a lien on substantially all of Sirius XM's assets and the assets of its material domestic subsidiaries.  Interest on borrowings is payable on a monthly basis and accrues at a rate based on LIBOR plus an applicable rate.  Sirius XM is also required to pay a variable fee on the average daily unused portion of the Credit Facility which is payable on a quarterly basis.  The variable rate for the unused portion of the Credit Facility was 0.30%0.25% per annum as of September 30, 2017.2018.  All of Sirius XM's outstanding borrowings under the Credit Facility are classified as Long-term debt within our unaudited consolidated balance sheets due to the long-term maturity of this debt.
(e)On July 27, 2017, Sirius XM redeemed $500,000 in outstanding principal amount of the 4.25% Notes for an aggregate purchase price, including premium and interest, of $509,565. We recognized $8,393 to Loss on extinguishment of debt, consisting primarily of unamortized discount, deferred financing fees and repayment premium, as a result of this redemption.
(f)On August 4, 2017, Sirius XM redeemed $600,000 in outstanding principal amount of the 5.75% Notes for an aggregate purchase price, including premium and interest, of $617,538. We recognized $20,964 to Loss on extinguishment of debt, consisting primarily of unamortized discount, deferred financing fees and repayment premium, as a result of this redemption.
(g)On September 1, 2017, Sirius XM redeemed $400,000 in outstanding principal amount of the 5.25% Notes for an aggregate purchase price, including premium and interest, of $411,433. We recognized $14,322 to Loss on extinguishment of debt, consisting primarily of unamortized discount, deferred financing fees and repayment premium, as a result of this redemption. In addition, all security interests and other liens securing the 5.25% Notes were released.
(h)In July 2017, Sirius XM issued $1,000,000 aggregate principal amount of the 3.875% Notes and $1,500,000 aggregate principal amount of the 5.00% Notes with a net original issuance discount and deferred financing costs in the aggregate of $10,291 and $16,638, respectively.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

Covenants and Restrictions
Under the Credit Facility, Sirius XM, our wholly-owned subsidiary, must comply with a debt maintenance covenant that it cannot exceed a total leverage ratio, calculated as consolidated total debt to consolidated operating cash flow, of 5.0 to 1.0.  The Credit Facility generally requires compliance with certain covenants that restrict Sirius XM's ability to, among other things, (i) incur additional indebtedness, (ii) incur liens, (iii) pay dividends or make certain other restricted payments, investments or acquisitions, (iv) enter into certain transactions with affiliates, (v) merge or consolidate with another person, (vi) sell, assign, lease or otherwise dispose of all or substantially all of Sirius XM's assets, and (vii) make voluntary prepayments of certain debt, in each case subject to exceptions.
The indentures governing Sirius XM's notes restrict Sirius XM's non-guarantor subsidiaries' ability to create, assume, incur or guarantee additional indebtedness without such non-guarantor subsidiary guaranteeing each such series of notes on a pari passu basis.  The indentures governing the notes also contain covenants that, among other things, limit Sirius XM's ability and the ability of its subsidiaries to create certain liens; enter into sale/leaseback transactions; and merge or consolidate.
Under Sirius XM's debt agreements, the following generally constitute an event of default: (i) a default in the payment of interest; (ii) a default in the payment of principal; (iii) failure to comply with covenants; (iv) failure to pay other indebtedness after final maturity or acceleration of other indebtedness exceeding a specified amount; (v) certain events of bankruptcy; (vi) a judgment for payment of money exceeding a specified aggregate amount; and (vii) voidance of subsidiary guarantees, subject to grace periods where applicable.  If an event of default occurs and is continuing, our debt could become immediately due and payable.
At September 30, 20172018 and December 31, 2016,2017, we were in compliance with our debt covenants.

(12)Stockholders’ Equity
Common Stock, par value $0.001 per share
We are authorized to issue up to 9,000,000 shares of common stock. There were 4,604,4414,450,181 and 4,746,0474,530,928 shares of common stock issued and 4,601,9414,449,194 and 4,740,9474,527,742 shares outstanding on September 30, 20172018 and December 31, 2016,2017, respectively. As part of the recapitalization of Sirius XM Canada, we issued 35,000 shares of our common stock to the holders of the shares of Sirius XM Canada.
As of September 30, 2017,2018, there were 321,868278,575 shares of common stock reserved for issuance in connection with outstanding stock based awards and common stock to be granted to members of our board of directors, employees and third parties.
Quarterly Dividends
During the nine months ended September 30, 2018, our board of directors declared the following dividends:
Declaration Date Dividend Per Share Record Date Total Amount Payment Date
January 23, 2018 $0.011
 February 7, 2018 $49,397
 February 28, 2018
April 26, 2018 $0.011
 May 10, 2018 $49,287
 May 31, 2018
July 18, 2018 $0.011
 August 10, 2018 $49,316
 August 31, 2018

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

Quarterly Dividends, $0.010 per share
On July 11, 2017, our board of directors declared a dividend on our common stock in the amount of $0.010 per share of common stock to stockholders of record as of the close of business on August 8, 2017. The dividend was paid in cash on August 31, 2017 in the aggregate amount of $46,216. We also paid a dividend in cash on February 28, 2017 and April 25, 2017 in the aggregate amount of $47,137 and $46,501, respectively. For a discussion of subsequent events refer to Note 16.
Stock Repurchase Program
As of September 30, 2017,2018, our board of directors had approved for repurchase an aggregate of $10,000,000$12,000,000 of our common stock.  Our board of directors did not establish an end date for this stock repurchase program.  Shares of common stock may be purchased from time to time on the open market, pursuant to pre-set trading plans meeting the requirements of Rule 10b5-1 under the Exchange Act, in privately negotiated transactions, including transactions with Liberty Media and its affiliates, or otherwise.  As of September 30, 2017,2018, our cumulative repurchases since December 2012 under our stock repurchase program totaled 2,397,9322,577,852 shares for $8,960,948,$10,028,012, and $1,039,052$1,971,988 remained available for future share repurchases under our stock repurchase program.
The following table summarizes our total share repurchase activity for the nine months ended:
 September 30, 2017 September 30, 2016 September 30, 2018 September 30, 2017
Share Repurchase Type Shares Amount Shares Amount Shares Amount Shares Amount
Open Market (a)
 194,324
 $987,111
 315,051
 $1,214,083
 103,717
 $650,893
 194,324
 $987,111
(a)
As of September 30, 2017, $13,7542018, $6,287 of common stock repurchases had not settled, nor been retired, and were recorded as Treasury stock within our unaudited consolidated balance sheets and unaudited consolidated statements of stockholders’ (deficit) equity. For a discussion of subsequent events refer to Note 16.
Preferred Stock, par value $0.001 per share
We are authorized to issue up to 50,000 shares of undesignated preferred stock with a liquidation preference of $0.001 per share.  There were no shares of preferred stock issued or outstanding as of September 30, 20172018 and December 31, 2016.2017.

(13)
Benefit Plans 
We recognized share-based payment expense of $34,891$29,405 and $30,020$34,891 for the three months ended September 30, 20172018 and 2016,2017, respectively, and $94,588$99,853 and $77,890$94,588 for the nine months ended September 30, 2018 and 2017, and 2016, respectively. Due to the adoption of ASU 2018-07, the share-based payment expense for the three months ended September 30, 2018 includes a cumulative retrospective benefit of $4,704 which relates to the six months ended June 30, 2018.
2015 Long-Term Stock Incentive Plan
In May 2015, our stockholders approved the Sirius XM Holdings Inc. 2015 Long-Term Stock Incentive Plan (the “2015 Plan”).  Employees, consultants and members of our board of directors are eligible to receive awards under the 2015 Plan.  The 2015 Plan provides for the grant of stock options, restricted stock awards, restricted stock units and other stock-based awards that the compensation committee of our board of directors deemdeems appropriate.  Stock-based awards granted under the 2015 Plan are generally subject to a graded vesting requirement, which is generally three to four years from the grant date.  Stock options generally expire ten years from the date of grant.  Restricted stock units include performance-based restricted stock units (“PRSUs”), the vesting of which are subject to the achievement of performance goals and the employee's continued employment and generally cliff vest on the three-yearthird anniversary of the grant date. Each restricted stock unit entitles the holder to receive one share of common stock upon vesting.  As of September 30, 2017, 167,0552018, 157,212 shares of common stock were available for future grants under the 2015 Plan.
Other Plans
We maintain three other share-based benefit plans — the Sirius XM Radio Inc. 2009 Long-Term Stock Incentive Plan, the XM 2007 Stock Incentive Plan and the Amended and Restated Sirius Satellite Radio 2003 Long-Term Stock Incentive Plan. Excluding dividend equivalent units granted as a result of a declared dividend, no further awards may be made under these plans.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

The following table summarizes the weighted-average assumptions used to compute the fair value of options granted to employees and members of our board of directors:
For the Three Months Ended September 30, For the Nine Months Ended September 30,For the Three Months Ended September 30, For the Nine Months Ended September 30,
2017 2016 2017 20162018 2017 2018 2017
Risk-free interest rate1.8% 1.1% 1.8% 1.1%2.8% 1.8% 2.7% 1.8%
Expected life of options — years4.66 4.48 4.60 4.274.98 4.66 4.44 4.60
Expected stock price volatility24% 22% 24% 22%23% 24% 23% 24%
Expected dividend yield0.7% 0.0% 0.7% 0.0%0.6% 0.7% 0.7% 0.7%
There were no options granted to third parties during the three and nine months ended September 30, 20172018 and 2016.  Since we did not historically pay dividends on our common stock prior to the fourth quarter of 2016, the expected dividend yield used in the Black-Scholes option pricing model was zero for the three and nine months ended September 30, 2016.2017.
The following table summarizes stock option activity under our share-based plans for the nine months ended September 30, 2017:2018:
Options Weighted-
Average
Exercise
Price Per Share
 Weighted-
Average
Remaining
Contractual
Term (Years)
 Aggregate
Intrinsic
Value
Options Weighted-
Average
Exercise
Price Per Share
 Weighted-
Average
Remaining
Contractual
Term (Years)
 Aggregate
Intrinsic
Value
Outstanding as of December 31, 2016332,648
 $3.50
  
Outstanding as of December 31, 2017280,457
 $3.76
  
Granted27,218
 $5.49
  28,235
 $6.71
  
Exercised(65,413) $3.20
  (61,566) $3.35
  
Forfeited, cancelled or expired(4,551) $3.90
  (2,831) $4.62
  
Outstanding as of September 30, 2017289,902
 $3.75
 6.87 $513,625
Exercisable as of September 30, 2017128,288
 $3.16
 5.67 $302,230
Outstanding as of September 30, 2018244,295
 $4.19
 6.50 $532,346
Exercisable as of September 30, 2018136,114
 $3.56
 5.66 $375,758
The weighted average grant date fair value per share of stock options granted during the nine months ended September 30, 20172018 was $1.17.$1.48.  The total intrinsic value of stock options exercised during the nine months ended September 30, 2018 and 2017 was $205,963 and 2016 was $148,133, and $59,531, respectively.  During the nine months ended September 30, 2017,2018 the number of net settled shares which were issued as a result of stock option exercises was 15,092.18,510.
We recognized share-based payment expense associated with stock options of $21,454$11,504 and $21,484$21,454 for the three months ended September 30, 20172018 and 2016,2017, respectively, and $61,091$51,939 and $59,510$61,091 for the nine months ended September 30, 20172018 and 2016,2017, respectively.
The following table summarizes the restricted stock unit, including PRSUs,PRSU, activity under our share-based plans for the nine months ended September 30, 2017:2018:
Shares Grant Date
Fair Value
Per Share
Shares Grant Date
Fair Value
Per Share
Nonvested as of December 31, 201629,893
 $4.03
Nonvested as of December 31, 201731,323
 $4.54
Granted11,618
 $5.38
15,072
 $6.56
Vested(8,561) $3.91
(11,245) $4.25
Forfeited(984) $4.23
(870) $4.92
Nonvested as of September 30, 201731,966
 $4.55
Nonvested as of September 30, 201834,280
 $5.48
The total intrinsic value of restricted stock units, including PRSUs, vesting during the nine months ended September 30, 2018 and 2017 was $75,762 and 2016 was $46,920, and $16,890, respectively. During the nine months ended September 30, 20172018, the number of net settled shares which were issued as a result of restricted stock units vesting totaled 5,226.6,659. During the nine months ended September 30, 2017,2018, we granted 3,780 PRSUs to certain employees. We believe it is probable that the performance target applicable to these PRSUs will be achieved.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS - Continued
(UNAUDITED)
(Dollars and shares in thousands, except per share amounts)

granted 929 PRSUs to certain employees. We believe it is probable that the performance target applicable to these and previously granted PRSUs will be achieved.
In connection with the cash dividends paid during the nine months ended September 30, 2017,2018, we granted 162180 restricted stock units, including PRSUs, in accordance with the terms of existing award agreements. This grantThese grants did not result in any additional incremental share-based payment expense being recognized during the nine months ended September 30, 2017.2018.
We recognized share-based payment expense associated with restricted stock units, including PRSUs, of $13,437$17,901 and $8,536$13,437 for the three months ended September 30, 20172018 and 2016,2017, respectively, and $33,497$47,914 and $18,380$33,497 for the nine months ended September 30, 20172018 and 2016,2017, respectively.
Total unrecognized compensation costs related to unvested share-based payment awards for stock options and restricted stock units, including PRSUs, granted to employees, members of our board of directors and third parties at September 30, 20172018 and December 31, 2016 were $281,3112017 was $274,610 and $266,045,$241,521, respectively.  The total unrecognized compensation costs at September 30, 20172018 are expected to be recognized over a weighted-average period of 2.51.84 years.
401(k) Savings Plan
Sirius XM sponsors the Sirius XM Radio Inc. 401(k) Savings Plan (the “Sirius XM Plan”) for eligible employees. The Sirius XM Plan allows eligible employees to voluntarily contribute from 1% to 50% of their pre-tax eligible earnings, subject to certain defined limits. We match 50% of an employee’s voluntary contributions per pay period on the first 6% of an employee’s pre-tax salary up to a maximum of 3% of eligible compensation.  We may also make additional discretionary matching, true-up matching and non-elective contributions to the Sirius XM Plan.  Employer matching contributions under the Sirius XM Plan vest at a rate of 33.33% for each year of employment and are fully vested after three years of employment for all current and future contributions.  Our cash employer matching contributions are not used to purchase shares of our common stock on the open market, unless the employee elects our common stock as their investment option for this contribution.  We recognized $1,775$1,956 and $1,640$1,775 in expense during three months ended September 30, 20172018 and 2016,2017, respectively, and $5,292$5,984 and $4,857$5,292 in expense during the nine months ended September 30, 20172018 and 2016,2017, respectively, in connection with the Sirius XM Plan.
Sirius XM Holdings Inc. Deferred Compensation Plan
In 2015, we adopted the Sirius XM Holdings Inc. Deferred Compensation Plan (the “DCP”).  The DCP allows members of our board of directors and certain eligible employees to defer all or a portion of their base salary, cash incentive compensation and/or board of directors’ cash compensation, as applicable.  Pursuant to the terms of the DCP, we may elect to make additional contributions beyond amounts deferred by participants, but we are under no obligation to do so.  We have established a grantor (or “rabbi”) trust to facilitate the payment of our obligations under the DCP.
Contributions to the DCP, net of withdrawals, for the three months ended September 30, 2018 and 2017 were $236 and 2016, were $240, and $215, respectively, and for the nine months ended September 30, 2018 and 2017 were $7,374 and 2016, were $7,595, and $4,169, respectively. As of September 30, 2018 and December 31, 2017, the fair value of the investments held in the trust was $13,890,were $23,398 and $14,641, respectively, which is included in Other long-term assets in our unaudited consolidated balance sheets and is classified as trading securities.  Trading gains and losses associated with these investments are recorded in Other income within our unaudited consolidated statements of comprehensive income.  The associated liability is recorded within Other long-term liabilities in our unaudited consolidated balance sheets, and any increase or decrease in the liability is recorded in General and administration expense within our unaudited consolidated statements of comprehensive income.  For the three and nine months ended September 30, 20172018 and 2016,2017, we recorded an immaterial amount of unrealized gains on investments held in the trust.


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(14)
Commitments and Contingencies 
The following table summarizes our expected contractual cash commitments as of September 30, 2017:2018:
2017 2018 2019 2020 2021
Thereafter
Total2018 2019 2020 2021 2022
Thereafter
Total
Debt obligations$647

$4,477

$3,169

$290,425

$

$6,500,000

$6,798,718
$1,094

$3,936

$1,207

$726

$1,000,000

$5,618,000

$6,624,963
Cash interest payments42,020

356,691

348,377

342,211

334,375

1,250,313

2,673,987
41,545

343,442

343,412

343,373

343,367

921,685

2,336,824
Satellite and transmission23,358

133,938

86,810

43,699

4,296

6,667

298,768
43,165

105,632

51,138

4,269

2,830

4,690

211,724
Programming and content74,742

323,499

298,920

252,648

173,689

214,037

1,337,535
64,496

266,625

217,560

123,927

55,475

162,938

891,021
Marketing and distribution7,166

17,436

12,813

8,620

7,801

1,608

55,444
Sales and marketing10,185

33,314

8,060

7,446

1,644

203

60,852
Satellite incentive payments3,415

14,302

10,652

10,197

8,574

70,324

117,464
4,024

10,652

10,197

8,574

8,558

61,767

103,772
Operating lease obligations7,604

43,266

39,639

37,391

31,560

153,449

312,909
7,816

45,715

46,988

42,770

39,642

178,075

361,006
Other24,362

30,429

16,421

2,672

527

30

74,441
Royalties and other45,887

144,411

105,645

86,707

23,199

33

405,882
Total (1)
$183,314

$924,038

$816,801

$987,863

$560,822

$8,196,428

$11,669,266
$218,212

$953,727

$784,207

$617,792

$1,474,715

$6,947,391

$10,996,044
(1)The table does not include our reserve for uncertain tax positions, which at September 30, 20172018 totaled $9,730, as the specific timing of any cash payments cannot be projected with reasonable certainty.$7,302.
Debt obligations.    Debt obligations include principal payments on outstanding debt and capital lease obligations.
Cash interest payments.    Cash interest payments include interest due on outstanding debt and capital lease payments through maturity.
Satellite and transmission.    During the year ended December 31, 2016, weWe have entered into an agreementagreements with Space Systems/Loralseveral third parties to design, build, launch and buildinsure two satellites, SXM-7 and SXM-8, for our service.SXM-8. We also have entered into agreements with third parties to operate and maintain satellite telemetry, tracking and control facilities and certain components of our terrestrial repeater networks.
Programming and content.    We have entered into various programming and content agreements. Under the terms of these agreements, our obligations include fixed payments, advertising commitments and revenue sharing arrangements. OurIn certain of these agreements, the future revenue sharing costs are dependent upon many factors and are difficult to estimate; therefore, they are not included in our minimum contractual cash commitments.
MarketingSales and distribution.marketing.    We have entered into various marketing, sponsorship and distribution agreements to promote our brand and are obligated to make payments to sponsors, retailers, automakers and radio manufacturers under these agreements. Certain programming and content agreements also require us to purchase advertising on properties owned or controlled by the licensors. We also reimburse automakers for certain costs associated with the incorporation of satellite radios into new vehicles they manufacture.
Satellite incentive payments.    Boeing Satellite Systems International, Inc., the manufacturer of certain of our in-orbit satellites, may be entitled to future in-orbit performance payments with respect toupon XM-3 and XM-4 meeting their fifteen-year design life, which we expect to occur.  Boeing may also be entitled to up to $10,000 of additional incentive payments if our XM-4 satellite continues to operate above baseline specifications during the five years beyond the satellite’s fifteen-year design life.life, which is currently not expected to occur.
Space Systems/Loral, the manufacturer of certain of our in-orbit satellites, may be entitled to future in-orbit performance payments with respect toupon XM-5, SIRIUS FM-5 and SIRIUS FM-6 meeting their fifteen-year design life, which we expect to occur.
Operating lease obligations.    We have entered into both cancelable and non-cancelable operating leases for office space, equipment and terrestrial repeaters. These leases provide for minimum lease payments, additional operating expense charges, leasehold improvements and rent escalations that have initial terms ranging from one to fifteen years, and certain leases have options to renew. The effect of the rent holidays and rent concessions are recognized on a straight-line basis over the lease term, including reasonably assured renewal periods.
Royalties and other.    We have entered into certain music royalty arrangements that include fixed payments. We have also entered into various agreements with third parties for general operating purposes. The cost of our common stock acquired in our stock repurchase program but not paid for as ofSeptember 30, 2018 was also included in this category.

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Other.    We have entered into various agreements with third parties for general operating purposes. In addition to the minimum contractual cash commitments described above, we have entered into agreements with other variable cost arrangements. These future costs are dependent upon many factors and are difficult to anticipate; however, these costs may be substantial. We may enter into additional programming, distribution, marketing and other agreements that contain similar variable cost provisions. The costWe also have a surety bond of our common stock acquiredapproximately $45,000 primarily used as security against non-performance in our capital return program but not paid for asthe normal course ofSeptember 30, 2017 was also included in this category.
business. We do not have any other significant off-balance sheet financing arrangements that are reasonably likely to have a material effect on our financial condition, results of operations, liquidity, capital expenditures or capital resources.
Legal Proceedings
In the ordinary course of business, we are a defendant or party to various claims and lawsuits, including those discussed below.

We record a liability when we believe that it is both probable that a liability will be incurred, and the amount of loss can be reasonably estimated. We evaluate developments in legal matters that could affect the amount of liability that has been previously accrued and make adjustments as appropriate. Significant judgment is required to determine both probability and the estimated amount of a loss or potential loss. We may be unable to reasonably estimate the reasonably possible loss or range of loss for a particular legal contingency for various reasons, including, among others, because: (i) the damages sought are indeterminate; (ii) the proceedings are in the relative early stages; (iii) there is uncertainty as to the outcome of pending proceedings (including motions and appeals); (iv) there is uncertainty as to the likelihood of settlement and the outcome of any negotiations with respect thereto; (v) there remain significant factual issues to be determined or resolved; (vi) the relevant law is unsettled; or (vii) the proceedings involve novel or untested legal theories. In such instances, there may be considerable uncertainty regarding the ultimate resolution of such matters, including the likelihood or magnitude of a possible eventual loss, if any.

SoundExchange Royalty Claims. In August 2013,On June 7, 2018, Sirius XM entered into an agreement with SoundExchange, Inc., the organization that collects and distributes sound recording royalties pursuant to our statutory license, to settle the cases titled SoundExchange, Inc. v. Sirius XM Radio, Inc., No.13-cv-1290-RJL (D.D.C.), and SoundExchange, Inc. v. Sirius XM Radio, Inc., No.17-cv-02666-RJL (D.D.C.). A description of these actions is contained in our prior public filings. In connection with the settlement, we made a one-time lump sum payment of $150,000 to SoundExchange on July 6, 2018. The settlement resolved all outstanding claims, including ongoing audits, under our statutory license for sound recordings for the period January 1, 2007 through December 31, 2017.

Telephone Consumer Protection Act Suits. On March 13, 2017, Thomas Buchanan, individually and on behalf of all others similarly situated, filed a class action complaint against us in the United States District Court for the Northern District of Columbia allegingTexas, Dallas Division. The plaintiff in this action alleges that we underpaid royalties for statutory licensesviolated the Telephone Consumer Protection Act of 1991 (the “TCPA”) by, among other things, making telephone solicitations to persons on the National Do-Not-Call registry, a database established to allow consumers to exclude themselves from telemarketing calls unless they consent to receive the calls in a signed, written agreement, and making calls to consumers in violation of our internal Do-Not-Call registry. The plaintiff is seeking various forms of relief, including statutory damages of five hundred dollars for each violation of the regulations established by the Copyright Royalty Board for the 2007-2012 period. SoundExchange principally alleges that we improperly reduced our gross revenues applicable to royalties by improperly deducting revenue attributable to pre-1972 recordings and Premier package revenue that is not “separately charged” as required by the regulations. We believe that we properly applied the gross revenue exclusions containedTCPA or, in the regulations established by the Copyright Royalty Board. SoundExchange is seeking compensatoryalternative, treble damages of not less than $50,000 and up to $100,000fifteen hundred dollars for each knowing and willful violation of the TCPA and a permanent injunction prohibiting us from making, or more, payment of late fees and interest, and attorneys’ fees and costs.

In August 2014, the United States District Court for the District of Columbia, in responsehaving made, any calls to our motion to dismiss the complaint, stayed the caseland lines that are listed on the grounds that it properly should be pursued in the first instance before the Copyright Royalty Board rather than the District Court.  In its opinion, the District Court concluded that the gross revenue exclusions in the regulations established by the Copyright Royalty Board for the 2007-2012 period were ambiguous and did not, on their face, make clear whetherNational Do-Not-Call registry or our royalty calculation approaches were permissible under the regulations. In December 2014, SoundExchangeinternal Do-Not-Call registry. The plaintiff has filed a petition with the Copyright Royalty Board requesting an order interpreting the applicable regulations.

On September 11, 2017, the Copyright Royalty Board issued a ruling concludingmotion seeking class certification, and that we correctly interpreted the revenue exclusions applicable to pre-1972 recordings. Given the limitations on its jurisdiction, the Copyright Royalty Board deferred to further proceedings in the District Court the question of whether we properly applied those pre-1972 revenue exclusions. The Judges also concluded that we improperly claimed a revenue exclusion based on our Premier package upcharge, because, in the Judges’ view, the portion of the package that contained programming that did not include sound recordings was not offered for a “separate charge.”

Rulings by the Copyright Royalty Board, including its September 11, 2017 ruling, are subject to limited legal review by the Register of Copyrights. Following a review by the Register of Copyrights and publication in the Federal Register, we expect that the ultimate ruling by the Copyright Royalty Board in this matter will be transmitted back to the District Court for further proceedings, such as adjudication claims relating to damages and defenses.motion is pending. We believe we have substantial defenses to SoundExchangethe claims that can be asserted including in proceedings in the District Court,this action, and will continuewe intend to defend this action vigorously.

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(Dollars and shares in thousands, except per share amounts)


This matter is titled SoundExchange, Inc. v. Sirius XM Radio, Inc., No.13-cv-1290-RJL (D.D.C.), and Determination of Rates and Terms for Preexisting Subscription Services and Satellite Digital Audio Radio Services, United States Copyright Royalty Board, No. 2006-1 CRB DSTRA.  Information concerning the action is publicly available in filings under the docket numbers. This matter is not related to certain claims under state law brought by owners of pre-1972 recording copyrights arising out of our use and performance of those recordings.

At December 31, 2016, we concluded that a loss, in excess of our recorded liabilities, was reasonably possible in connection with the SoundExchange royalty claims. At September 30, 2017, the estimable portion of such possible loss ranged from $0 to $85,000, plus any related interest or late fees. Based on our defenses, such a loss is not considered probable at this time and no liability for such additional loss has been recorded. The matters underlying this estimated range and the estimable portion of reasonably possible losses may change from time to time and the actual possible loss may vary from this estimate.

Other Matters.  In the ordinary course of business, we are a defendant in various other lawsuits and arbitration proceedings, including derivative actions; actions filed by subscribers, both on behalf of themselves and on a class action basis; former employees; parties to contracts or leases; and owners of patents, trademarks, copyrights or other intellectual property.  None of these other matters, in our opinion, is likely to have a material adverse effect on our business, financial condition or results of operations.


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(Dollars and shares in thousands, except per share amounts)

(15)Income Taxes
We file a consolidated federal income tax return for all of our wholly-owned subsidiaries, including Sirius XM.  For the three months ended September 30, 20172018 and 2016,2017, income tax expense was $108,901$11,525 and $111,556,$108,901, respectively, and $342,387$162,344 and $326,108$342,387 for the nine months ended September 30, 20172018 and 2016,2017, respectively.
Our effective tax rate for the three months ended September 30, 2018 and 2017 was 3.3% and 2016 was 28.3% and 36.5%, respectively. Our effective tax rate for the nine months ended September 30, 2018 and 2017 was 14.9% and 2016 was 33.3% and 37.6%, respectively. The effective tax rate for the three and nine months ended September 30, 2018 was primarily impacted by the reduced federal income tax rate as a result of the Tax Cut and Jobs Act (the "Tax Act"), the recognition of excess tax benefits related to share based compensation and a benefit related to state research and development credits. The effective tax rate for the three and nine months ended September 30, 2017 was impacted by the recognition of excess tax benefits related to stockshare based compensation and a benefit related to a federal tax credit under the Protecting Americans from Tax Hikes Act of 2015 for research and development activities. The effective tax rate for the three and nine months ended September 30, 2016 was impacted by the recognition of tax shortfalls related to stock compensation. Our adjustedWe estimate our effective tax rate for the year ending December 31, 2017 is anticipated to2018 will be approximately 34%17%.
Our accounting for the federal rate reduction under the Tax Act is complete. The Tax Act has significant complexity and implementation guidance from the Internal Revenue Service and clarifications of state tax law, among other things, could impact our accounting for provisions of the Tax Act other than the federal rate reduction within the measurement period as defined in the SEC's Staff Accounting Bulletin No. 118 ("SAB 118"). As such, any resulting potential adjustments within the measurement period remain open under SAB 118. We do not believe potential adjustments in future periods will materially impact our financial condition or results of operations.
As of September 30, 20172018 and December 31, 2016,2017, we had a valuation allowance related to deferred tax assets of $44,828$65,878 and $47,682,$52,883, respectively, that were not likely to be realized due to certain net operating loss limitations, including tax credits, and acquired net operating losses that were not more likely than not going to be utilized.

(16)Subsequent Events
Capital Return Program
ForDuring the period from October 1, 20172018 to October 23, 2017,22, 2018, we repurchased 6,4527,902 shares of our common stock on the open market for an aggregate purchase price of $36,388,$48,882, including fees and commissions.
On October 3, 2017,9, 2018, our board of directors declared a quarterly dividend on our common stock in the amount of $0.011$0.0121 per share of common stock payable on November 30, 20172018 to stockholders of record as of the close of business on November 9, 2017.2018.
Pandora Acquisition
The required notification and report under the Hart-Scott-Rodino Antitrust Act was filed on Thursday, October 18, 2018, the “go shop” period under the Merger Agreement expired on Wednesday, October 24, 2018 at 12:01 a.m., and we continue to expect the transaction to close in the first quarter of 2019.

ITEM 2.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS 
All amounts referenced in this Item 2 are in thousands, except per subscriber and per installation amounts, unless otherwise stated.
The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our unaudited consolidated financial statements and related notes included elsewhere in this Quarterly Report on Form 10-Q and with our Annual Report on Form 10-K for the year ended December 31, 2016.2017.
This Quarterly Report on Form 10-Q presents information for Sirius XM Holdings Inc. (“Holdings”).  The terms “Holdings,” “we,” “us,” “our,” and “our company” as used herein, and unless otherwise stated or indicated by context, refer to Sirius XM Holdings Inc. and its subsidiaries, and "Sirius XM" refers to, our wholly-owned subsidiary Sirius XM Radio Inc. Holdings has no operations independent of its wholly-owned subsidiary, Sirius XM.

Special Note Regarding Forward-Looking Statements
The following cautionary statements identify important factors that could cause our actual results to differ materially from those projected in forward-looking statements made in this Quarterly Report on Form 10-Q and in other reports and documents published by us from time to time. Any statements about our beliefs, plans, objectives, expectations, assumptions, future events or performance are not historical facts and may be forward-looking. These statements are often, but not always, made through the use of words or phrases such as “will likely result,” “are expected to,” “will continue,” “is anticipated,” “estimated,” “intend,” “plan,” “projection” and “outlook.” Any forward-looking statements are qualified in their entirety by reference to the factors discussed throughout this Quarterly Report on Form 10-Q and in other reports and documents published by us from time to time, particularly the risk factors described under “Risk Factors” in Part I, Item 1A, of our Annual Report on Form 10-K for the year ended December 31, 20162017 and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” herein and in Part II, Item 7, of our Annual Report on Form 10-K for the year ended December 31, 20162017.

Among the significant factors that could cause our actual results to differ materially from those expressed in the forward-looking statements are:
we face substantial competition and that competition is likely to increase over time;
our ability to retain subscribers or increase the number of subscribers is uncertain;
our ability to profitably attract and retain subscribers inthrough our marketing efforts, particularly price-sensitive consumers, is uncertain;
if we fail to protect the future is uncertain;security of personal information about our customers, we could be subject to costly government enforcement actions and private litigation and our reputation could suffer;
our service may experience harmful interference from new wireless operations;
we engage in extensive marketing efforts and the continued effectiveness of those efforts are an important part of our business;
consumer protection laws and their enforcement could damage our business;
we may not realize the benefits of acquisitions or other strategic investments and initiatives;
the impact of the pending acquisition of Pandora on our expected results of operations and financial condition;
the unfavorable outcome of pending or future litigation could have a material adverse impact on our operations and financial condition;
the market for music rights is changing and is subject to significant uncertainties;
our business depends in large part upon the auto industry;
general economic conditions can affect our business;
if we fail to protect the security of personal information about our customers, we could be subject to costly government enforcement actions and private litigation and our reputation could suffer;
existing or future government laws and regulations could harm our business;
failure of our satellites would significantly damage our business;

interruption or failure of our information technology and communications systems could negatively impact our results and our brand;
we may not realize the benefits of acquisitions or other strategic investments and initiatives;
rapid technological and industry changes and new entrants could adversely impact our services;
failure of third parties to perform could adversely affect our business;
failure to comply with FCC requirements could damage our business;

we may from time to time modify our business plan, and these changes could adversely affect us and our financial condition;
we have a significant amount of indebtedness, and our debt contains certain covenants that restrict our operations;
our studios, terrestrial repeater networks, satellite uplink facilities or other ground facilities could be damaged by natural catastrophes or terrorist activities;
our principal stockholder has significant influence, including over actions requiring stockholder approval, and its interests may differ from the interests of other holders of our common stock;
we are a “controlled company” within the meaning of the NASDAQ listing rules and, as a result, qualify for, and rely on, exemptions from certain corporate governance requirements;
our business may be impaired by third-party intellectual property rights; and
while we currently pay a quarterly cash dividend to holders of our common stock, we may change our dividend policy at any time.

Because the risk factors referred to above could cause actual results or outcomes to differ materially from those expressed in any forward-looking statements made by us or on our behalf, you should not place undue reliance on any of these forward-looking statements. In addition, any forward-looking statement speaks only as of the date on which it is made, and we undertake no obligation to update any forward-looking statement or statements to reflect events or circumstances after the date on which the statement is made, to reflect the occurrence of unanticipated events or otherwise, except as required by law. New factors emerge from time to time, and it is not possible for us to predict which will arise or to assess with any precision the impact of each factor on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements. The forward-looking statements included below do not reflect the impact of the pending acquisition of Pandora.

Executive Summary
We transmit music, sports, entertainment, comedy, talk, news, traffic and weather channels, as well as infotainment services, in the United States on a subscription fee basis through our two proprietary satellite radio systems.  Subscribers can also receivesystems, and a larger set of music and other channels, plus features such as SiriusXM On Demand featuring recent and MySXM, overarchived shows, and SiriusXM Video, through our Internet radiostreaming service, includingavailable online and through applications for mobile devices, home devices and other consumer electronic equipment.  We are also a leader in providingprovide connected vehicle services.  Our connected vehicle services are designed to enhance the safety, security and driving experience for vehicle operators while providing marketing and operational benefits to automakers and their dealers.  
We have agreements with every major automaker (“OEMs”) to offer satellite radio in their vehicles.vehicles, through which we acquire the majority of our subscribers.  We also acquire subscribers through marketing to owners and lessees of previously owned vehicles that include factory-installed satellite radios that are not currently subscribing to our services.  Our satellite radios are primarily distributed through automakers; retail stores nationwide;retailers; and through our website. Satellite radio services are also offered to customers of certain rental car companies.
As of September 30, 2017,2018, we had approximately 32.233.7 million subscribers of which approximately 27.028.5 million were self-pay subscribers and approximately 5.2 million were paid promotional subscribers. Our subscriber totals include subscribers under our regular pricing plans; discounted pricing plans; subscribers that have prepaid, including payments either made or due from automakers for subscriptions included in the sale or lease price of a vehicle; subscribers to our Internet services who do not also have satellite radio subscriptions; and certain subscribers to our weather, traffic, and data services who do not also have satellite radio subscriptions.  Subscribers and subscription related revenues and expenses associated with our connected vehicle services and the Sirius XM Canada service, which had approximately 2.7 million subscribers as of September 30, 2018, and connected vehicle services are not included in our subscriber count or subscriber-based operating metrics.

Our primary source of revenue is subscription fees, with most of our customers subscribing to annual,monthly, quarterly, semi-annual quarterly or monthlyannual plans.  We offer discounts for prepaid longer term subscription plans, as well as a multiple subscription discount.  We also derive revenue from activation and othercertain fees, the sale of advertising on select non-music channels, the direct sale of satellite radios and accessories, and other ancillary services, such as our weather, traffic and data services. We provide traffic services to approximately 8.4 million vehicles.
In certainmany cases, a subscription to our radio servicesservice is included inwith the sale or lease pricepurchase of new vehicles or previously owned vehicles. The length of these subscriptions varies but is typically three to twelve months.  We receive payments for

these subscriptions from certain automakers.  We also reimburse various automakers for certain costs associated with satellite radios installed in new vehicles.vehicles and pay revenue share to various automakers.
As of September 30, 2017,2018, Liberty Media beneficially owned, directly and indirectly, approximately 69%71% of the outstanding shares of our common stock.  As a result, we are a “controlled company” for the purposes of the NASDAQ corporate governance requirements.

Recent Transactions

During the nine months ended September 30, 2017, we entered into several strategic transactions.

Acquisition of Automatic Labs. On April 18, 2017, Sirius XM acquired Automatic Labs Inc. (“Automatic”), a connected vehicle device and mobile application company, forholds an aggregate purchase price of $107,736, net of cash and restricted cash acquired.

Recapitalization of Sirius XM Canada. On May 25, 2017, Sirius XM completed a recapitalization (the “Transaction”) ofequity method investment in Sirius XM Canada Holdings Inc. (“Sirius XM Canada”), which is now a privately held corporation.

Following the Transaction,offers satellite radio services in Canada. As of September 30, 2018, Sirius XM holds aowned an approximate 70% equity interest and 33% voting interest in Sirius XM Canada, with the remainder of the voting power and equity interest held by two of Sirius XM Canada’s previous shareholders. The total consideration from Sirius XM to Sirius XM Canada, excluding transaction costs, during the nine months ended September 30, 2017 was $308,526, which included $129,676 in cash and we issued 35,000 shares of our common stock with an aggregate value of $178,850 to the holders of the shares of Sirius XM Canada acquired in the Transaction. Sirius XM received common stock, non-voting common stock and preferred stock of Sirius XM Canada. Sirius XM now owns 590,950 shares of preferred stock of Sirius XM Canada, which has a liquidation preference of one Canadian dollar per share. Future dividends on the common stock of Sirius XM Canada are expected to be declared on a 6.0% annual basis.

In connection with the Transaction, Sirius XM also made a contribution in the form of a loan to Sirius XM Canada in the aggregate amount of $130,794 on May 25, 2017. The loan is denominated in Canadian dollars and is considered a long-term investment with any unrealized gains or losses reported within Accumulated other comprehensive (loss) income. Such loan has a term of fifteen years, bears interest at a rate of 7.62% per annum and includes customary covenants and events of default, including an event of default relating to Sirius XM Canada’s failure to maintain specified leverage ratios. In addition, the terms of the loan require Sirius XM Canada to prepay a portion of the outstanding principal amount of the loan within sixty days of the end of each fiscal year in an amount equal to any cash on hand in excess of C$10,000 at the last day of the financial year if all target dividends have been paid in full.

In connection with the Transaction, Sirius XM also entered into a Services Agreement and an Advisory Services Agreement with Sirius XM Canada. Each agreement has a thirty year term. Pursuant to the Services Agreement, Sirius XM Canada will pay Sirius XM 25% of its gross revenues on a monthly basis through December 31, 2021 and 30% of its gross revenues on a monthly basis thereafter. Pursuant to the Advisory Services Agreement, Sirius XM Canada will pay Sirius XM 5% of its gross revenues on a monthly basis. These agreements supersede and replace the existing agreements between Sirius XM Canada and its predecessors and Sirius XM.

Sirius XM Canada is accounted for asholds an equity method investment, and its results are not consolidated in our consolidated financial statements. We do not meet the requirements for consolidation as we do not have the ability to direct the most significant activities that impact Sirius XM Canada's economic performance.

Investment in Pandora Media, Inc. On September 22, 2017, Sirius XM completed a $480,000 investment in Pandora. Pursuant to an Investment Agreement with Pandora Media, Inc. (“Pandora”), Sirius XM purchased 480 shares of Pandora’s Series A Convertible Preferred Stock, par value $0.0001 per share (the “Series A Preferred Stock”), for an aggregate purchase price of $480,000. The Series A preferred stock represents a stake of approximately 19% of Pandora's currently outstanding common stock, and approximately a 16% interest on an as-converted basis. Pandorawhich operates an internet-based music discovery platform, offering a personalized experience for listeners. As of September 30, 2018, Sirius XM's interest in Pandora represented an approximately 18% interest in Pandora's outstanding common stock, and an approximately 15% interest on an as-converted basis.
The Series A Preferred Stock is convertible atRecent Developments; Agreement to Acquire Pandora Media, Inc.

On September 23, 2018, Holdings entered into an Agreement and Plan of Merger and Reorganization (the “Merger Agreement”), by and among Holdings, Pandora and White Oaks Acquisition Corp., pursuant to which, subject to the optionterms and conditions of the holders at any time into sharesMerger Agreement, Holdings agreed to acquire Pandora (such transaction, the “Merger”). Pursuant to the Merger, each outstanding share of Pandora common stock, of Pandorapar value $0.0001 per share (“Pandora Common Stock”), will be converted into the right to receive 1.44 shares (the “Exchange Ratio”) of Holdings common stock, par value $0.001 per share (“Holdings Common Stock”).

Further, pursuant to the Merger:
each option granted by Pandora under its stock incentive plans to purchase shares of Pandora Common Stock, whether vested or unvested will be assumed and converted into an option to purchase shares of Holdings Common Stock, with appropriate adjustments (based on the Exchange Ratio) to the exercise price and number of shares of Holdings Common Stock subject to such option, and will have the same vesting schedule and exercise conditions as in effect as of immediately prior to the closing of the Merger;
each unvested restricted stock unit granted by Pandora under its stock incentive plans will be assumed and converted into an unvested restricted stock unit of Holdings, with appropriate adjustments (based on the Exchange Ratio) to the number of shares of Holdings Common Stock to be received, and will have the same vesting schedule and settlement date as in effect as of immediately prior to the closing of the Merger; and
each unvested performance award granted by Pandora under its stock incentive plans shall be canceled and forfeited if the per share value of merger consideration at the closing of the transactions as determined pursuant to the Merger Agreement is less than $20.00, and otherwise each such award will be assumed and converted into a time vesting award to receive a number of shares of Holdings Common Stock based on the Exchange Ratio, and will have the same vesting schedule as in effect as of immediately prior to the closing of the Merger.

The Merger Agreement contains customary representations and warranties from both Holdings and Pandora, and each party has agreed to customary covenants, including covenants relating to the conduct of Holdings’ and Pandora’s businesses during the period between the execution of the Merger Agreement and the closing of the Merger. In the case of Pandora, such obligations include its agreement to call a meeting of its stockholders to adopt the Merger Agreement, and, subject to certain exceptions, to recommend that its stockholders adopt the Merger Agreement.


During the period ending at 12:01 A.M. (New York City time) on October 24, 2018 (the “No-Shop Period Start Date”), Pandora has the right to (i) initiate, solicit, facilitate and encourage any inquiry or the making of any proposal or offer that constitutes, or could reasonably be expected to lead to, a competing acquisition proposal, (ii) furnish to any person that is party to an initial conversion priceacceptable confidentiality agreement any information which is reasonably requested by any person in connection with their potentially making a competing acquisition proposal and (iii) participate or engage in discussions or negotiations with such person regarding a competing acquisition proposal.

On the No-Shop Period Start Date, Pandora will cease such activities, and will be subject to further restrictions, including that it will not (i) solicit proposals or offers that constitute, or could reasonably be expected to lead to, a competing acquisition proposal or (ii) engage in any discussions or negotiations regarding a competing acquisition proposal. However, prior to obtaining stockholder approval, Pandora may engage in the foregoing activities with any third party that provides Pandora with a competing acquisition proposal after the execution of $10.50 per sharethe Merger Agreement and prior to the No-Shop Period Start Date (an “Excluded Party”), which acquisition proposal the Pandora board of directors determines in good faith prior to the No-Shop Period Start Date is or would reasonably be expected to lead to a superior proposal, unless such proposal is withdrawn or, in the good faith determination of the Pandora board of directors, no longer is or would reasonably be expected to lead to a superior proposal. Furthermore, Pandora can also engage in such activities with any third party that provides to Pandora an unsolicited bona fide written competing acquisition proposal, if the Pandora board of directors determines in good faith that such acquisition proposal constitutes, or is reasonably likely to result in, a superior proposal.

Prior to the approval of the Merger Agreement by the Pandora stockholders, the Pandora board of directors may change its recommendation that the Pandora stockholders adopt the Merger Agreement if the Pandora board of directors receives a superior proposal or if there is an intervening event, but only if certain conditions are satisfied with respect thereto and Pandora complies with its obligations in respect thereof.

The Pandora stockholders will be asked to vote on the adoption of the Merger Agreement at a special stockholder meeting that will be held on a date to be announced. The Merger is conditioned upon the vote of holders of a majority of the combined voting power of the outstanding shares of Pandora Common Stock and an initial conversion rate of 95.2381the outstanding shares of Pandora Common Stock per share ofPandora’s Series A Preferred Stock, subject to adjustments for accrued but unpaid dividends and certain customary anti-dilution adjustments. Holders of the Series A Preferred Stock are entitled to a cumulative dividend at the rate of 6.0% per annum, payable quarterly in arrears, if and when declared. During the

three and nine months ended September 30, 2017, we recognized $2,991 and $3,595, respectively, related to the dividend declared by Pandora, which was recorded to Other income in our unaudited consolidated statements of comprehensive income and Long-term investment within our unaudited consolidated balance sheets. Any conversion of Series A Preferred Stock may be settled by Pandora, at its option, in shares of Pandora Common Stock, cash or any combination thereof. However, unless and until Pandora’s stockholders have approved the issuance of greater than 19.99% of the outstanding Pandora Common Stock, the Series A Preferred Stock may not be converted into more than 19.99% of Pandora’s outstanding Pandora Common Stock as of the Initial Closing.
The investment includes a mandatory redemption feature on any date from and after September 22, 2022 whereby Sirius XM, at its option, may require Pandora to purchase the Series A Preferred Stock at a price equal to 100% of the liquidation preference plus accrued but unpaid dividends for, at the election of Pandora, cash, shares of Pandora Common Stock or a combination thereof, and as such the investment qualifies as a debt security under ASC 320. As the investment includes a conversion option, we have elected to account for this investment under the fair value option to reduce the accounting asymmetry that would otherwise arise when recognizing the changes in the fair value of available-for-sale investments. Under the fair value option, any gains (losses) associated with the change in fair value will be recognized in Other income within our unaudited consolidated statements of comprehensive income. A $68,650 unrealized gain was recognized during the three and nine months ended September 30, 2017 as Other income in our unaudited consolidated statements of comprehensive income associated with this investment. The fair value of our investment as of September 30, 2017 was $552,245 and is recorded as a related party long-term asset within our unaudited consolidated balance sheets. This investment does not meet the requirements for the equity method of accounting as it does not qualify as in-substance common stock.
We have appointed three of our senior executives or members of our Board of Directors to Pandora’s Board of Directors, one of whom serves as the Chairman of Pandora's Board of Directors.
Our right to designate directors will fall away once we and our affiliates fail to beneficially own shares of Series A Preferred Stock and/or Pandora Common Stock issued upon conversion thereof equal to (on an as-converted basis) at least 50% of the number of shares of Pandora Common Stock issuable upon conversion of the Series A Preferred Stock purchased under the Investment Agreement. Following the earlier to occur of (i) September 22, 2019 and (ii) the date on which we and our affiliates fail to beneficially own shares of Series A Preferred Stock and/or Pandora Common Stock that were issued upon conversion of Series A Preferred Stock equal to (on an as-converted basis) at least 75% of the number of shares of Pandora Common Stock issuable upon conversion of the Series A Preferred Stock purchased under the Investment Agreement, we have the right to designate only two directors.
We are subject to certain standstill restrictions, including, among other things, that we are restricted from acquiring additional securities of Pandora until December 9, 2018.
Except as to matters that may be voted upon separately by holders of the Series A Preferred Stock, we are entitled to votevoting together as a single class, in favor of the adoption of the Merger Agreement. Holdings has agreed to vote or cause to be voted all of the shares owned beneficially or of record by Holdings or its affiliates.

In addition to the stockholder approval described above, the completion of the Merger is subject to other customary conditions, including, among others, (i) the waiting period applicable to the Merger under the Hart-Scott-Rodino Antitrust Improvements Act has expired or been terminated, (ii) the decisions, orders, consents or expiration of any waiting periods required by the competition laws of other countries and jurisdictions, (iii) the absence of any law or order that prohibits or makes illegal the Merger and (iv) subject to certain exceptions, the accuracy of the representations and warranties of each party and compliance by the parties with their respective covenants.

It is intended that the holdersMerger qualifies as a "reorganization" within the meaning of Section 368(a) of the Internal Revenue Code of 1986 for Federal income tax purposes. However, if either Pandora or Holdings are unable to receive an opinion of counsel to that effect, the parties have agreed to restructure the Merger so that the Merger will be treated as a taxable stock sale.

The Merger Agreement provides certain termination rights for both Holdings and Pandora, including the right of Pandora, Common Stock on an as-converted basis (upprior to a maximum of 19.99%the adoption of the Merger Agreement by the Pandora Common Stock outstanding on June 9, 2017, unless stockholder approval has been received). We are also entitledstockholders, to a separate class voteterminate the Merger Agreement in order to enter into an agreement with respect to a superior proposal, so long as Pandora complies with certain amendments to Pandora’s organizational documents, issuances bynotice and other requirements set forth in the Merger Agreement. In connection with any such termination and under other specified circumstances, Pandora must pay Holdings a termination fee of securities that are senior to, or equal in priority with, the Series A Preferred Stock and the incurrence of certain indebtedness by Pandora.
Upon certain change of control events involving Pandora, Pandora is required to repurchase all of the Series A Preferred Stock at a price equal to the greater of (1) an amount in cash equal to 100% of the liquidation preference thereof plus all accrued but unpaid dividends through June 9, 2022 (assuming such shares of Series A Preferred Stock remain outstanding through such date) and (2) the consideration the holders would have received if they had converted their shares of Series A Preferred Stock into Pandora Common Stock immediately prior to the change of control event (disregarding the 19.99% cap).
Beginning on September 22, 2020, if the volume weighted average price per share of Pandora Common Stock exceeds $18.375, as may be adjusted, for at least 20 trading days in any period of 30 consecutive trading days, Pandora may redeem all of the outstanding Series A Preferred Stock at a price equal to 100% of the liquidation preference thereof plus all accrued but unpaid dividends for, at the election of Pandora, cash, shares of Pandora Common Stock or a combination thereof,$105,000; provided that unless stockholder approval has been received,if, subject to specified limitations, Pandora may not settleterminates the redemption for sharesMerger Agreement to accept a superior proposal with an Excluded Party by 11:59 P.M. (New York City time) on November 22, 2018, Pandora will pay Holdings a termination fee of Pandora Common Stock$52,500.

The required notification and report under the Hart-Scott-Rodino Antitrust Act was filed on Thursday, October 18, 2018, the “go shop” period under the Merger Agreement expired on Wednesday, October 24, 2018 at 12:01 a.m., and we continue to expect the extenttransaction to close in the 19.99% cap would be exceeded.
Pursuant to a registration rights agreement entered into with Pandora, we have certain customary registration rights with respect to the Series A Preferred Stock and Pandora Common Stock issued upon conversion thereof.first quarter of 2019.


Results of Operations
Set forth below are our results of operations for the three and nine months ended September 30, 20172018 compared with the three and nine months ended September 30, 2016.2017.
Our statements below regarding our expectations for our revenues and expenses do not reflect the impact of our acquisition of Pandora.
        2017 vs 2016 Change        2018 vs 2017 Change
For the Three Months Ended September 30, For the Nine Months Ended September 30, Three Months Nine MonthsFor the Three Months Ended September 30, For the Nine Months Ended September 30, Three Months Nine Months
2017 2016 2017 2016 Amount % Amount %2018 2017 2018 2017 Amount % Amount %
Revenue:                              
Subscriber revenue$1,136,027
 $1,069,746
 $3,325,295

$3,112,712
 $66,281
 6 % $212,583
 7 %$1,162,439
 $1,136,027
 $3,418,485

$3,325,295
 $26,412
 2 % $93,190
 3 %
Advertising revenue41,462
 34,268
 117,656

99,330
 7,194
 21 % 18,326
 18 %46,187
 41,462
 135,477

117,656
 4,725
 11 % 17,821
 15 %
Equipment revenue32,337
 31,306
 91,669

86,285
 1,031
 3 % 5,384
 6 %40,699
 32,337
 112,628

91,669
 8,362
 26 % 20,959
 23 %
Other revenue169,770
 142,326
 486,611

415,895
 27,444
 19 % 70,716
 17 %
Music royalty fee and other revenue218,058
 169,770
 608,194

486,611
 48,288
 28 % 121,583
 25 %
Total revenue1,379,596
 1,277,646
 4,021,231

3,714,222
 101,950
 8 % 307,009
 8 %1,467,383
 1,379,596
 4,274,784

4,021,231
 87,787
 6 % 253,553
 6 %
Operating expenses:    


            


        
Cost of services:    


            


        
Revenue share and royalties296,498
 272,823
 866,691

788,952
 23,675
 9 % 77,739
 10 %343,015
 296,498
 1,057,431

866,691
 46,517
 16 % 190,740
 22 %
Programming and content98,239
 89,015
 290,038

257,760
 9,224
 10 % 32,278
 13 %96,256
 98,239
 302,742

290,038
 (1,983) (2)% 12,704
 4 %
Customer service and billing94,655
 94,923
 286,754

285,502
 (268)  % 1,252
  %94,626
 94,655
 284,073

286,754
 (29)  % (2,681) (1)%
Satellite and transmission21,378
 22,224
 61,557

80,609
 (846) (4)% (19,052) (24)%24,266
 21,378
 70,466

61,557
 2,888
 14 % 8,909
 14 %
Cost of equipment8,254
 9,674
 24,537

29,181
 (1,420) (15)% (4,644) (16)%6,572
 8,254
 21,343

24,537
 (1,682) (20)% (3,194) (13)%
Subscriber acquisition costs119,555
 120,111
 372,197

381,516
 (556)  % (9,319) (2)%109,469
 119,555
 351,940

372,197
 (10,086) (8)% (20,257) (5)%
Sales and marketing114,519
 99,194
 318,135

279,278
 15,325
 15 % 38,857
 14 %118,280
 114,519
 344,426

318,135
 3,761
 3 % 26,291
 8 %
Engineering, design and development29,433
 19,254
 81,033

57,588
 10,179
 53 % 23,445
 41 %31,011
 29,433
 89,133

81,033
 1,578
 5 % 8,100
 10 %
General and administrative83,187
 90,369
 245,995

249,052
 (7,182) (8)% (3,057) (1)%85,821
 83,187
 263,110

245,995
 2,634
 3 % 17,115
 7 %
Depreciation and amortization79,913
 67,880
 230,136

202,215
 12,033
 18 % 27,921
 14 %75,510
 79,913
 222,345

230,136
 (4,403) (6)% (7,791) (3)%
Total operating expenses945,631
 885,467
 2,777,073

2,611,653
 60,164
 7 % 165,420
 6 %984,826
 945,631
 3,007,009

2,777,073
 39,195
 4 % 229,936
 8 %
Income from operations433,965
 392,179
 1,244,158

1,102,569
 41,786
 11 % 141,589
 13 %482,557
 433,965
 1,267,775

1,244,158
 48,592
 11 % 23,617
 2 %
Other income (expense):    


            


        
Interest expense(92,634) (89,092) (257,085)
(250,888) (3,542) (4)% (6,197) (2)%(86,218) (92,634) (262,924)
(257,085) 6,416
 7 % (5,839) (2)%
Loss on extinguishment of debt(43,679) 
 (43,679) 
 (43,679)  % (43,679)  %
 (43,679) 
 (43,679) 43,679
 100 % 43,679
 100 %
Other income86,971
 2,370
 83,897

15,733
 84,601
 nm
 68,164
 nm
Total other expense(49,342) (86,722) (216,867)
(235,155) 37,380
 43 % 18,288
 8 %
Other income (expense)(41,766) 86,971
 82,334

83,897
 (128,737) nm
 (1,563) (2)%
Total other income (expense)(127,984) (49,342) (180,590)
(216,867) (78,642) (159)% 36,277
 17 %
Income before income taxes384,623
 305,457
 1,027,291

867,414
 79,166
 26 % 159,877
 18 %354,573
 384,623
 1,087,185

1,027,291
 (30,050) (8)% 59,894
 6 %
Income tax expense(108,901) (111,556) (342,387)
(326,108) 2,655
 2 % (16,279) (5)%(11,525) (108,901) (162,344)
(342,387) 97,376
 89 % 180,043
 53 %
Net income$275,722
 $193,901
 $684,904

$541,306
 $81,821
 42 % $143,598
 27 %$343,048
 $275,722
 $924,841

$684,904
 $67,326
 24 % $239,937
 35 %
nm - not meaningful

Total Revenue
Subscriber Revenue includes subscription, activation and other fees.

For the three months ended September 30, 20172018 and 2016,2017, subscriber revenue was $1,136,027$1,162,439 and $1,069,746,$1,136,027, respectively, an increase of 6%2%, or $66,281.$26,412. For the nine months ended September 30, 20172018 and 2016,2017, subscriber revenue was $3,325,295$3,418,485 and $3,112,712,$3,325,295, respectively, an increase of 7%3%, or $212,583.$93,190. The increases were primarily attributable to a 4% and 5% increasesincrease in the daily weighted average number of subscriberssubscribers. Subscriber revenue was negatively impacted by $24,103 and $72,282, for the three and nine month periodsmonths ended September 30, 2017,2018, respectively, from the adoption of Accounting Standards Update ("ASU") 2014-09, Revenue - Revenue from Contracts with Customers, and related amendments, which established Accounting Standards Codification ("ASC") Topic 606 (the "new revenue standard"), effective as well as a 3% increase in average monthly revenue per subscriber that resulted from certain rate increases implemented in 2016.of January 1, 2018.
We expect subscriber revenues to increase based on the growth of our subscriber base, increases in certain of our subscription ratesthe average price charged and the sale of additional services to subscribers.
Advertising Revenue includes the sale of advertising on certain non-music channels.
For the three months ended September 30, 20172018 and 2016,2017, advertising revenue was $41,462$46,187 and $34,268,$41,462, respectively, an increase of 21%11%, or $7,194.$4,725. For the nine months ended September 30, 20172018 and 2016,2017, advertising revenue was $117,656$135,477 and $99,330,$117,656, respectively, an increase of 18%15%, or $18,326.$17,821. The increases were primarily due to increases in rates charged per spot as well as a greater number of advertising spots sold and transmitted as well as increases in rates charged per spot.transmitted.
We expect our advertising revenue to continue to grow as more advertisers are attracted to our national platform and growing subscriber base and as we launch additional non-music channels.
Equipment Revenue includes revenue from the sale of satellite radios, components and accessories as well as the sale of connected vehicle devices and royalty revenue on chipset modules.
For the three months ended September 30, 20172018 and 2016,2017, equipment revenue was $32,337$40,699 and $31,306,$32,337, respectively, an increase of 3%26%, or $1,031.$8,362. For the nine months ended September 30, 20172018 and 2016,2017, equipment revenue was $91,669$112,628 and $86,285,$91,669, respectively, an increase of 6%23%, or $5,384.$20,959. The increase for the three and nine month period wasincreases were driven by an increase inadditional royalty revenue on certain modules starting in the second quarter of 2016 due to our transition to a new generation of chipsets and revenue from the sales of connected vehicle devices since the acquisition of Automatic, partially offset by lower satellite radio sales to distributors and consumers.chipsets.
We expect equipment revenue to increase due to the increases inas royalty revenues associated with certain modules related to our transition to a new generation of chipsets.chipsets increases.
Music Royalty Fee and Other Revenue includes amounts earned from subscribers for the U.S. Music Royalty Fee, and service and advisory revenue from our Canadian affiliate, our connected vehicle services, and ancillary revenues.
For the three months ended September 30, 2018 and 2017, music royalty fee and 2016, other revenue was $169,770$218,058 and $142,326,$169,770, respectively, an increase of 19%28%, or $27,444.$48,288. For the nine months ended September 30, 2018 and 2017, music royalty fee and 2016, other revenue was $486,611$608,194 and $415,895,$486,611, respectively, an increase of 17%25%, or $70,716.$121,583. The increases were primarily driven by higher revenue from the new Sirius XM Canada service and advisory agreements, additional revenues from the U.S. Music Royalty Fee revenue due to a higher rate and an increase in the number of subscribers and subscribers paying at a higher rate of 13.9% and higher revenue generated from our connected vehicle services.services and from Sirius XM Canada.
OtherMusic royalty fee and other revenue is expected to increase due to an increase in U.S. Music Royalty Fees as subscribers migrate to the new rate and as our subscriber base continues to grow and an increase in revenue from Sirius XM Canada due to the new service and advisory agreements.grows.
Operating Expenses
Revenue Share and Royalties include royalties for transmitting content and web streaming as well as automaker, content provider and advertising revenue share.
For the three months ended September 30, 20172018 and 2016,2017, revenue share and royalties were $296,498$343,015 and $272,823,$296,498, respectively, an increase of 9%16%, or $23,675,$46,517, and increased as a percentage of total revenue. For the nine months ended September 30, 20172018 and 2016,2017, revenue share and royalties were $866,691$1,057,431 and $788,952,$866,691, respectively, an increase of 10%22%, or $77,739,$190,740, and increased as a percentage of total revenue. The increases were due to overall greater revenues subject to royaltiesincrease for transmitting content and revenue share to automakers and a 5%the three month period was driven by an increase in the statutory royalty rate applicable to our use of post-1972 recordings, which increased from 10.5% in 2016 to 11% in 2017.2017 to 15.5% in 2018, an increase in our pre-1972 royalty, and overall greater revenues subject to revenue share with the

automakers. Included in the increase for the nine month period was a $69,144 charge related to the legal settlement that resolved outstanding claims, including ongoing audits, under our statutory license for sound recordings for the period January 1, 2007 through December 31, 2017. The increase was partially offset by approximately $22,743 and $67,047, for the three and nine months ended September 30, 2018, respectively, related to the adoption of the new revenue standard effective as of January 1, 2018.
We expect our revenue share and royalty costs to increase as our revenues grow. Our revenue share and royalty costs may also increase as a result of a rate setting proceeding currently pending before the Copyright Royalty Board (“CRB”). The CRB initiated a proceeding in January 2016 to set the rates and terms by which our satellite radio service may perform sound recordings by digital transmission and make ephemeral reproductions during the 2018-2022 period. As part of this proceeding, SoundExchange, on behalf of the recording industry, proposed a new rate structure and a number of material changes to the governing regulations, including relating to the applicable revenue base for the percent-of-revenue royalty calculations and fees for trial subscriptions. If the CRB adopts the proposals made by SoundExchange, the ruling would further increase, possibly in a material manner, the sound recording royalties payable by us. The CRB is expected to issue its final ruling in this proceeding no later than December 15, 2017.
Programming and Content includes costs to acquire, create, promote and produce content. We have entered into various agreements with third parties for music and non-music programming that require us to pay license fees and other amounts.
For the three months ended September 30, 20172018 and 2016,2017, programming and content expenses were $96,256 and $98,239, and $89,015, respectively, an increasea decrease of 10%2%, or $9,224,$1,983, and increaseddecreased as a percentage of total revenue. For the nine months ended September 30, 20172018 and 2016,2017, programming and content expenses were $290,038$302,742 and $257,760,$290,038, respectively, an increase of 13%4%, or $32,278, and increased$12,704, but decreased as a percentage of total revenue. The increases weredecrease for the three month period was driven by decreased personnel-related costs, from the adoption of ASU 2018-07,Compensation-Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting; partially offset by higher content licensing costs. The increase for the nine month period was driven primarily dueby increased personnel-related costs, higher music licensing costs, and programming operations costs related to subscriber events, partially offset by the additionadoption of video content rights, payment for which started during the third quarter of 2016, as well as increased talent and personnel-related costs.ASU 2018-07.
We expect our programming and content expenses to increase as we offer additional programming, and renew or replace expiring agreements.
Customer Service and Billing includes costs associated with the operation and management of internal and third party customer service centers, and our subscriber management systems as well as billing and collection costs, bad debt expense, and transaction fees.
For the three months ended September 30, 20172018 and 2016,2017, customer service and billing expenses were $94,655$94,626 and $94,923,$94,655, respectively, a slight decrease of less than 1%, or $268,$29, and decreased as a percentage of total revenue. For the nine months ended September 30, 20172018 and 2016,2017, customer service and billing expenses were $284,073 and $286,754, and $285,502, respectively, an increasea decrease of less than 1%, or $1,252, but$2,681, and decreased as a percentage of total revenue. For bothThe decrease for the three and nine month periods, customer service and billing expense reflectedperiod was driven by lower call center costs due to lower agent and contact rates, and lower contact rates,bad debt expense, partially offset by increased transaction fees and bad debt expense from a higherlarger subscriber base.base and overhead costs.
We expect our customer service and billing expenses to increase as our subscriber base grows.
Satellite and Transmission consists of costs associated with the operation and maintenance of our terrestrial repeater networks; satellites; satellite telemetry, tracking and control systems; satellite uplink facilities; studios; and delivery of our Internet streaming and connected vehicle services.
For the three months ended September 30, 20172018 and 2016,2017, satellite and transmission expenses were $24,266 and $21,378, and $22,224, respectively, a decreasean increase of 4%14%, or $846,$2,888, and decreasedincreased as a percentage of total revenue. For the nine months ended September 30, 20172018 and 2016,2017, satellite and transmission expenses were $70,466 and $61,557, and $80,609, respectively, a decreasean increase of 24%14%, or $19,052,$8,909, and decreasedincreased as a percentage of total revenue. The decreases for the three and nine month periodsincreases were primarily driven by lowerhigher wireless costs associated with our connected vehicle services and lower terrestrial repeater costs as a result of the elimination of duplicative repeater sites; partially offset by increasedhigher Internet streaming costs. In addition, the nine month period ended September 30, 2016 included a loss on disposal of certain obsolete satellite parts of $12,912, recorded in the three months ended June 30, 2016.
We expect satellite and transmission expenses to increase as costs associated with our investment in Internet streaming services increase.
Cost of Equipment includes costs from the sale of satellite radios, components and accessories as well as connected vehicle and devices, and provisions for inventory allowance attributable to products purchased for resale in our direct to consumer distribution channels.
For the three months ended September 30, 20172018 and 2016,2017, cost of equipment was $8,254$6,572 and $9,674,$8,254, respectively, a decrease of 15%20%, or $1,420,$1,682, and decreased as a percentage of equipment revenue. For the nine months ended September 30, 20172018 and 2016,2017, cost of equipment was $24,537$21,343 and $29,181,$24,537, respectively, a decrease of 16%13%, or $4,644,

$3,194, and decreased as a percentage of equipment revenue. The decreases were primarily due to lower direct satellite radio sales to distributors and consumers, partially offset by the incremental costs associated with the sale of connected vehicle devices since the acquisition of Automatic.consumers.

We expect cost of equipment to fluctuate with changes in sales.increase as device sales from our connected vehicle services increase.
Subscriber Acquisition Costs include hardware subsidies paid to radio manufacturers, distributors and automakers; subsidies paid for chipsets and certain other components used in manufacturing radios; device royalties for certain radios and chipsets; product warranty obligations; and freight. The majority of subscriber acquisition costs are incurred and expensed in advance of or concurrent with, acquiring a subscriber. Subscriber acquisition costs do not include advertising costs, marketing, loyalty payments to distributors and dealers of satellite radios or revenue share payments to automakers and retailers of satellite radios.
For the three months ended September 30, 20172018 and 2016,2017, subscriber acquisition costs were $119,555$109,469 and $120,111,$119,555, respectively, a decrease of less than 1%8%, or $556,$10,086, and decreased as a percentage of total revenue. For the nine months ended September 30, 20172018 and 2016,2017, subscriber acquisition costs were $372,197$351,940 and $381,516,$372,197, respectively, a decrease of 2%5%, or $9,319,$20,257, and decreased as a percentage of total revenue. The decreases were driven by reductions to OEM hardware subsidy rates, lower subsidized costs related to the transition of chipsets, and for the nine months ended September 30, 2018, a decrease in the volume of satellite radio installations. The three month period ended September 30, 2016 benefited from a one-time true-up from a contractual reduction to a subsidy rate.
We expect subscriber acquisition costs to fluctuate with OEM installations and aftermarket volume;installations; however, the subsidized chipsets cost is expected to decline as we transition to a new generation of chipsets.  We intend to continue to offer subsidies and other incentives to acquire subscribers.induce OEMs to include our technology in their vehicles.
Sales and Marketing includes costs for marketing, advertising, media and production, including promotional events and sponsorships; cooperative marketing; and personnel. Marketing costs include expenses related to direct mail, outbound telemarketing and email communications.
For the three months ended September 30, 20172018 and 2016,2017, sales and marketing expenses were $114,519$118,280 and $99,194,$114,519, respectively, an increase of 15%3%, or $15,325, and increased$3,761, but decreased as a percentage of total revenue. For the nine months ended September 30, 20172018 and 2016,2017, sales and marketing expenses were $318,135$344,426 and $279,278,$318,135, respectively, an increase of 14%8%, or $38,857,$26,291, and increased as a percentage of total revenue. The increases were primarily due to additional subscriber communications, retention programs and acquisition campaigns, as well as higher personnel-related costs; partially offset by the timing of OEM marketing campaigns.costs.
We anticipate that sales and marketing expenses will increase as we expand programs to retain our existing subscribers, win back former subscribers, and attract new subscribers.
Engineering, Design and Development consists primarily of compensation and related costs to develop chipsets and new products and services, including streaming and connected vehicle services, research and development for broadcast information systems and costs associated with the incorporation of our radios into new vehicles manufactured by automakers.
For the three months ended September 30, 20172018 and 2016,2017, engineering, design and development expenses were $29,433$31,011 and $19,254,$29,433, respectively, an increase of 53%5%, or $10,179, and increased$1,578, but decreased as a percentage of total revenue. For the nine months ended September 30, 20172018 and 2016,2017, engineering, design and development expenses were $81,033$89,133 and $57,588,$81,033, respectively, an increase of 41%10%, or $23,445,$8,100, and increased as a percentage of total revenue. The increases were driven by additionalthe continued development of our audio streaming product; partially offset by lower costs associated with the development of our audio and video streaming productsproduct and increased development of our connected vehicle services.
We expect engineering, design and development expenses to increase in future periods as we continue to develop our infrastructure, products and services.
General and Administrative primarily consists of compensation and related costs for personnel and facilities, and include costs related to our finance, legal, human resources and information technologies departments.
For the three months ended September 30, 20172018 and 2016,2017, general and administrative expenses were $85,821 and $83,187, and $90,369, respectively, a decreasean increase of 8%3%, or $7,182, and$2,634, but decreased as a percentage of total revenue. For the nine months ended September 30, 20172018 and 2016,2017, general and administrative expenses were $263,110 and $245,995, and $249,052, respectively, a

decreasean increase of 1%7%, or $3,057,$17,115, and decreasedincreased as a percentage of total revenue. The decreasesincreases were primarily driven by lower legalhigher information technology costs due to insurance recoveries recorded during the three and nine months ended September 30, 2017, lower consulting2018 and higher personnel-related costs and a one-time charge for sales and use tax recorded during the nine months ended September 30, 2018, partially offset by lower rent expense.legal costs.
We expect our general and administrative expenses to increase to support the growth of our business.

Depreciation and Amortization represents the recognition in earnings of the cost of assets used in operations, including our satellite constellations, property, equipment and intangible assets, over their estimated service lives.
For the three months ended September 30, 20172018 and 2016,2017, depreciation and amortization expense was $75,510 and $79,913, and $67,880, respectively, an increasea decrease of 18%6%, or $12,033,$4,403, and increaseddecreased as a percentage of total revenue. For the nine months ended September 30, 20172018 and 2016,2017, depreciation and amortization expense was $222,345 and $230,136, and $202,215, respectively, an increasea decrease of 14%3%, or $27,921,$7,791, and increaseddecreased as a percentage of total revenue. The increasesdecreases were driven by acceleration of amortization related to a shorter useful life of certain software as well asduring 2017, partially offset by additional assets placed in-service.
Other Income (Expense)
Interest Expense includes interest on outstanding debt.
For the three months ended September 30, 20172018 and 2016,2017, interest expense was $86,218 and $92,634, and $89,092, respectively, an increasea decrease of 4%7%, or $3,542.$6,416. For the nine months ended September 30, 20172018 and 2016,2017, interest expense was $257,085$262,924 and $250,888,$257,085, respectively, an increase of 2%, or $6,197.$5,839. The increases weredecrease for the three month period was primarily due lower average debt outstanding and an increase in the amount of capitalized interest due to increased spend on the construction of new satellites. The increase for the nine month period was primarily due to higher average debt duringoutstanding, partially offset by lower interest rates and an increase in capitalized interest due to increased spend on the three and nine months ended September 30, 2017 compared to the three and nine months ended September 30, 2016.construction of new satellites.
Loss on Extinguishment of Debt, includes losses incurred as a result of the redemption of certain debt.
There was no loss on extinguishment of debt during the three and nine months ended September 30, 2018. For the three and nine months ended September 30, 2017, and 2016, loss on extinguishment of debt, net, was $43,679 and $0, respectively.$43,679. We recorded losses on extinguishment of debt during the three and nine months ended September 30, 2017 due to the redemption of our 4.25% Senior Notes due 2020, 5.75% Senior Notes due 2021, and 5.25% Senior Secured Notes due 2022. There was no loss on extinguishment of debt during the three and nine months ended September 30, 2016.
Other Income (Expense) primarily includes realized and unrealized gains and losses, interest and dividend income, our share of the income or loss of Sirius XM Canada,from our equity investments, and transaction costs related to non-operating investments.
For the three months ended September 30, 2018 and 2017, other income (expense) was $(41,766) and $86,971, respectively. For the nine months ended September 30, 2018 and 2017, other income (expense) was $82,334 and $83,897, respectively. For the three and nine months ended September 30, 2018, other income was driven by unrealized (losses)/gains of $(43,569) and $73,880 from a fair value adjustment of our investment in Pandora, respectively, and interest earned on our loan to Sirius XM Canada. For the three and nine months ended September 30, 2017, other income was $86,971 and $83,897, respectively. For the three and nine months ended September 30, 2017, we recordeddriven by an unrealized gain of $68,650$72,245 from a fair value adjustment of our investment in Pandora, interest earned on our loan to Sirius XM Canada, dividends accrued from Pandora, and our share of Sirius XM Canada's net income or loss, partially offset by transaction costs associated with our investment in Pandora. For the three months ended September 30, 2016, other income was $2,370 driven by our share of Sirius XM Canada's net income. For the nine months ended September 30, 2016, other income was $15,733 driven by our share of Sirius XM Canada’s net income and the dividends received from Sirius XM Canada in excess of our investment.
Income Taxes
Income Tax Expense includes the change in our deferred tax assets, foreign withholding taxes and current federal and state tax expenses.
For the three months ended September 30, 20172018 and 2016,2017, income tax expense was $108,901$11,525 and $111,556,$108,901, respectively, and $342,387$162,344 and $326,108$342,387 for the nine months ended September 30, 20172018 and 2016,2017, respectively.
Our effective tax rate for the three months ended September 30, 2018 and 2017 was 3.3% and 2016 was 28.3% and 36.5%, respectively. Our effective tax rate for the nine months ended September 30, 2018 and 2017 was 14.9% and 2016 was 33.3% and 37.6%, respectively. The effective tax rate for the three and nine months ended September 30, 2018 was primarily impacted by the reduced federal income tax rate as a result of the Tax Cut and Jobs Act (the "Tax Act"), the recognition of excess tax benefits related to share based compensation and a benefit related to state research and development credits. The effective tax rate for the three and nine months ended September 30, 2017 was impacted by the recognition of excess tax benefits related to stockshare based compensation and a benefit related to a federal tax credit under the Protecting Americans from Tax Hikes Act of 2015 for research and development activities. The effective tax rate for the three and nine months ended September 30, 2016 was impacted by the recognition of tax shortfalls related to stock compensation. Our adjustedWe estimate our effective tax rate for the year ending December 31, 2017 is anticipated to2018 will be approximately 34%17%.


Key Financial and Operating Performance Metrics
In this section, we present certain financial performance measures thatsome of which are not calculated and presented in accordance with generally accepted accounting principles in the United States (“Non-GAAP”), which include free cash flow and adjusted EBITDA. We also present certain operating performance measures, which include average monthly revenue per subscriber, or ARPU; customer service and billing expenses, per average subscriber; and subscriber acquisition cost, or SAC, per installation. Our adjusted EBITDA excludes the impact of share-based payment expense and certain purchase price accounting adjustments related to the merger of Sirius and XM (the “Merger”).  Additionally, when applicable, our adjusted EBITDA and free cash flow metrics excludemetric excludes the effect of significant items that do not relate to the on-going performance of our business.  We use these Non-GAAP financial and operating performance measures to manage our business, to set operational goals and as a basis for determining performance-based compensation for our employees. See the accompanying glossary on pages 4043 through 4347 for more details and for the reconciliation to the most directly comparable GAAP measure (where applicable).
We believe these Non-GAAP financial and operating performance measures provide useful information to investors regarding our financial condition and results of operations. We believe investors find these Non-GAAP financial and operating performance measures useful in evaluating our core trends because they provide a more direct view of our underlying contractual costs. We believe investors use our adjusted EBITDA to estimate our current enterprise value and to make investment decisions. We believe free cash flow provides useful supplemental information to investors regarding our cash available for future subscriber acquisitionacquisitions and capital expenditures, to repurchase or retire debt, to acquire other companies and to evaluate our ability to return capital to stockholders. By providing these Non-GAAP financial and operating performance measures, together with the reconciliations to the most directly comparable GAAP measure (where applicable), we believe we are enhancing investors' understanding of our business and our results of operations.
Our Non-GAAP financial measures should be viewed in addition to, and not as an alternative for or superior to, our reported results prepared in accordance with GAAP.  In addition, our Non-GAAP financial measures may not be comparable to similarly-titled measures by other companies.  Please refer to the glossary (pages 4043 through 43)47) for a further discussion of such Non-GAAP financial and operating performance measures and reconciliations to the most directly comparable GAAP measure (where applicable).  Subscribers and subscription related revenues and expenses associated with our connected vehicle services and Sirius XM Canada are not included in our subscriber count or subscriber-based operating metrics.

Set forth below are our subscriber balances as of September 30, 20172018 compared to September 30, 2016:2017.

As of September 30, 2017 vs 2016 ChangeAs of September 30, 2018 vs 2017 Change

2017
2016 Amount
%2018 2017 Amount %
Self-pay subscribers26,986

25,528
 1,458

6 %28,501
 26,986
 1,515
 6%
Paid promotional subscribers5,181

5,463
 (282)
(5)%5,192
 5,181
 11
 %
Ending subscribers(a)32,167

30,991
 1,176

4 %33,693
 32,167
 1,526
 5%
(a)Amounts may not sum as a result of rounding.
The following table contains our Non-GAAP financial and operating performance measures which are based on our adjusted results of operations for the three and nine months ended September 30, 20172018 and 2016: 2017. The ARPU and SAC, per installation, metrics for the three and nine months ended September 30, 2018 have been reduced due to the adoption of the new revenue standard as of January 1, 2018 by $0.24 and $0.28, respectively. For more information regarding the impact on these metrics, refer to the glossary (pages 43 through 47). For more information regarding the adoption of the new revenue standard, refer to Note 2 to our unaudited consolidated financial statements in Part I, Item 1, of this Quarterly Report on Form 10-Q.
        2017 vs 2016 Change        2018 vs 2017 Change
For the Three Months Ended September 30, For the Nine Months Ended September 30, Three Months Nine MonthsFor the Three Months Ended September 30, For the Nine Months Ended September 30, Three Months Nine Months
2017 2016 2017
2016 Amount % Amount %2018 2017 2018
2017 Amount % Amount %
Self-pay subscribers311
 385
 1,035

1,240
 (74) (19)% (205) (17)%298
 311
 988

1,035
 (13) (4)% (47) (5)%
Paid promotional subscribers(191) (39) (214)
157
 (152) (390)% (371) (236)%(100) (191) (31)
(214) 91
 48 % 183
 86 %
Net additions (a)
119
 345
 821

1,397
 (226) (66)% (576) (41)%198
 119
 957

821
 79
 66 % 136
 17 %
Daily weighted average number of subscribers32,029
 30,776
 31,717

30,290
 1,253
 4 % 1,427
 5 %33,545
 32,029
 33,192

31,717
 1,516
 5 % 1,475
 5 %
Average self-pay monthly churn1.9% 1.9% 1.8%
1.8% 0% 0 % 0% 0 %1.8% 1.9% 1.7%
1.8% (0.1)% (5)% (0.1)% (6)%
New vehicle consumer conversion rate40% 40% 40%
39% 0% 0 % 1% 3 %39% 40% 39%
40% (1)% (3)% (1)% (3)%
    


            


        
ARPU$13.41
 $13.04
 $13.19

$12.83
 $0.37
 3 % $0.36
 3 %$13.48
 $13.41
 $13.24

$13.19
 $0.07
 1 % $0.05
  %
SAC, per installation$30
 $28
 $30

$31
 $2
 7 % $(1) (3)%$23.67
 $29.71
 $26.50

$30.03
 $(6.04) (20)% $(3.53) (12)%
Customer service and billing expenses, per average subscriber$0.92
 $0.97
 $0.94

$0.98
 $(0.05) (5)% $(0.04) (4)%$0.87
 $0.92
 $0.88

$0.94
 $(0.05) (5)% $(0.06) (6)%
Adjusted EBITDA$550,582
 $491,892
 $1,574,320

$1,401,024
 $58,690
 12 % $173,296
 12 %$589,285
 $550,582
 $1,664,555

$1,574,320
 $38,703
 7 % $90,235
 6 %
Free cash flow$433,788
 $356,527
 $1,099,452

$1,079,690
 $77,261
 22 % $19,762
 2 %$287,572
 $433,788
 $1,100,277

$1,099,452
 $(146,216) (34)% $825
  %
Diluted weighted average common shares outstanding (GAAP)4,704,571
 4,919,829
 4,734,841
 5,005,133
 (215,258) (4)% (270,292) (5)%4,574,487
 4,704,571
 4,586,346
 4,734,841
 (130,084) (3)% (148,495) (3)%
(a)Amounts may not sum as a result of rounding.
Subscribers. At September 30, 2017,2018, we had approximately 32.233.7 million subscribers, an increase of 1.21.5 million subscribers, or 4%5%, from the approximately 31.032.2 million subscribers as of September 30, 2016.2017. The increase in total subscribers was primarily due to growth in our self-pay subscriber base, which increased 1.5 million, partially offset byand a 282 thousand decreaseslight increase in paid promotional subscribers.subscribers of 11 thousand. The increase in self-pay subscribers iswas primarily from original and subsequent owner trial conversions andas well as subscriber win back programs, partially offset by deactivations.
For the three months ended September 30, 20172018 and 2016,2017, net additions were 198 thousand and 119 thousand, and 345 thousand, respectively, a decreasean increase of 66%. For the nine months ended September 30, 20172018 and 2016,2017, net additions were 957 thousand and 821 thousand, respectively, an increase of 17%. For the three and 1,397 thousand, respectively, a decreasenine months ended September 30, 2018, the reduction of 41%. The decline in paid promotional net additions wassubscribers improved due to paid promotional subscriptiontrial starts out-pacing trial ends out-pacing paid promotional subscription starts as a result of lowerhigher shipments from automakers offering paid promotional subscriptions. Self-paysubscriptions while self-pay net additions declinedprimarily decreased due to higher vehicle turnover of our subscriber base mitigated by growth in gross additions.vehicle-related turnover out-pacing self-pay additions and reductions in non-pay and other voluntary churn.

Average Self-pay Monthly Churn is derived by dividing the monthly average of self-pay deactivations for the period by the average number of self-pay subscribers for the period. (See accompanying glossary on pages 4043 through 4347 for more details.)
For the three months ended September 30, 20172018 and 2016,2017, our average self-pay monthly churn rate was 1.8% and 1.9%., respectively. For the nine months ended September 30, 20172018 and 2016,2017, our average self-pay monthly churn rate was 1.7% and 1.8%.

, respectively. The decreases in churn were primarily driven by improvements in non-pay and voluntary churn.
New Vehicle Consumer Conversion Rate is the percentage of owners and lessees of new vehicles that receive our service and convert to become self-paying subscribers after an initial promotional period. The metric excludes rental and fleet vehicles. (See accompanying glossary on pages 4043 through 4347 for more details.)
For the three and nine months ended September 30, 20172018 and 2016,2017, our new vehicle consumer conversion rate was 40%.  For the nine months ended September 30, 201739% and 2016, our new vehicle consumer conversion rate was 40% and 39%, respectively. The increase in new vehicle consumer conversion rate for the nine month perioddecrease was driven primarily by improvementsa decline in conversion of paid promotional subscribers who are also existing self-payfirst time trial subscribers.
ARPU is derived from total earned subscriber revenue (excluding revenue derived from our connected vehicle services), net advertising revenue and other subscription-related revenue, divided by the number of months in the period, divided by the daily weighted average number of subscribers for the period. (See the accompanying glossary on pages 4043 through 4347 for more details.)
For the three months ended September 30, 20172018 and 2016,2017, ARPU was $13.41$13.48 and $13.04,$13.41, respectively. For the nine months ended September 30, 20172018 and 2016,2017, ARPU was $13.19$13.24 and $12.83,$13.19, respectively. The increases were driven primarily by increasesincrease in certain of our subscription rates, in 2016, partially offsetincluding the U. S. Music Royalty Fee, and higher advertising revenue was negatively impacted by the adoption of the new revenue standard, effective as of January 1, 2018 of $0.24 for both the three and nine month periods, and the growth in subscription discounts offered through customer acquisition and retention programs.
SAC, Per Installation, is derived from subscriber acquisition costs and margins from the sale of radios, components and accessories (excluding connected vehicle services), divided by the number of satellite radio installations in new vehicles and shipments of aftermarket radios for the period. (See the accompanying glossary on pages 4043 through 4347 for more details.)
For the three months ended September 30, 20172018 and 2016,2017, SAC, per installation, was $30$23.67 and $28,$29.71, respectively. For the nine months ended September 30, 20172018 and 2016,2017, SAC, per installation, was $30$26.50 and $31,$30.03, respectively.  The three and nine month periods ended September 30, 2016 benefited from a contractual reductiondecreases were driven by reductions to OEM hardware subsidy rates, our transition to a subsidy rate. Adjustednew generation of chipsets as well as the impact of the adoption of the new revenue standard, effective as of January 1, 2018 of $0.28 for this one-time benefit,both the three and nine months ended September 30, 2017 decreased primarily driven by our transition to a new generation of chipsets.2018.
Customer Service and Billing Expenses, Per Average Subscriber, is derived from total customer service and billing expenses, excluding connected vehicle customer service and billing expenses and share-based payment expense, divided by the number of months in the period, divided by the daily weighted average number of subscribers for the period. (See the accompanying glossary on pages 4043 through 4347 for more details.)
For the three months ended September 30, 20172018 and 2016,2017, customer service and billing expenses, per average subscriber, was $0.92$0.87 and $0.97,$0.92, respectively. For the nine months ended September 30, 20172018 and 2016,2017, customer service and billing expenses, per average subscriber, was $0.94$0.88 and $0.98,$0.94, respectively. The decreases were primarily related to lower call center costs due to lower contact rates, and lower agent rates, partially offset by higher transaction fees.and bad debt expense.
Adjusted EBITDA. EBITDA is defined as net income before interest expense, income tax expense and depreciation and amortization.  Adjusted EBITDA excludes the impact of other income, loss on extinguishment of debt, other non-cash charges, such as certain purchase price accounting adjustments, share-based payment expense, and loss on disposal of assets.assets, and legal settlements and reserves related to the historical use of sound recordings. (See the accompanying glossary on pages 4043 through 4347 for a reconciliation to GAAP and for more details.)
For the three months ended September 30, 20172018 and 2016,2017, adjusted EBITDA was $550,582$589,285 and $491,892,$550,582, respectively, an increase of 12%7%, or $58,690.$38,703. For the nine months ended September 30, 20172018 and 2016,2017, adjusted EBITDA was $1,574,320$1,664,555 and $1,401,024,$1,574,320, respectively, an increase of 12%6%, or $173,296.$90,235.  The increases were due to growth of 6% in revenuestotal revenue which was primarily as a result of the increase in our subscriber base and certain of our subscription rates, additional revenues from the U.S. Music Royalty Fee, and an increase in other revenue from higher revenue from the new Sirius XM Canada service and advisory agreements and additional revenues from the U.S. Music Royalty Fee, as well as lower general and administrativesubscriber acquisition costs. TheseThe increases were partially offset by higher revenue share and royalty, costs due to growth in our revenues and royalty rates, programming and content, satellite and transmission, sales and marketing, and engineering, designgeneral and developmentadministrative costs.

Free Cash Flow includes cash provided by operations, net of additions to property and equipment, and restricted and other investment activity. (See the accompanying glossary on pages 4043 through 4347 for a reconciliation to GAAP and for more details.)
For the three months ended September 30, 20172018 and 2016,2017, free cash flow was $287,572 and $433,788, and $356,527, respectively, an increasea decrease of $77,261,$146,216, or 22%34%. For the nine months ended September 30, 20172018 and 2016,2017, free cash flow was $1,099,452$1,100,277 and $1,079,690,$1,099,452, respectively, an increase of $19,762,$825, or 2%0%.  The increase fordecrease in the three month period was driven by the one-time lump sum payment of $150 million to resolve all outstanding claims under our statutory license for sound recordings for the period January 1, 2007 through December 31, 2017, paid during the three months ended September 30, 2018, and the timing of payments to vendors; partially offset by higher net cash provided by operating activities resulting from improved operating performance partially offset by an increaseand a decrease in additions to property and equipment resulting from new satellite construction, and timing of interest

payments.construction. The increase for the nine month period was driven byremained flat as higher net cash provided by operating activities resulting from improved operating performance; partiallyperformance was offset by the one-time lump sum payment of $150 million to resolve all outstanding claims under our statutory license for sound recordings for the period January 1, 2007 through December 31, 2017, paid during the three months ended September 30, 2018, and an increase in additions to property and equipment resulting fromdue to the timing of payments for new satellite construction and a payment of a legal settlement during the first quarter of 2017 and timing of interest payments.construction.

Liquidity and Capital Resources
Cash Flows for the nine months ended September 30, 20172018 compared with the nine months ended September 30, 2016.2017
The following table presents a summary of our cash flow activity for the periods set forth below:
For the Nine Months Ended September 30, 
For the Nine Months Ended September 30, 
2017 2016 2017 vs 20162018 2017 2018 vs 2017
Net cash provided by operating activities$1,313,764
 $1,216,104
 $97,660
$1,346,386
 $1,313,764
 $32,622
Net cash used in investing activities(1,065,047) (136,414) (928,633)(251,264) (1,064,662) 813,398
Net cash used in financing activities(389,103) (619,146) 230,043
(1,117,513) (389,103) (728,410)
Net (decrease) increase in cash and cash equivalents(140,386) 460,544
 (600,930)
Cash and cash equivalents at beginning of period213,939
 111,838
 102,101
Cash and cash equivalents at end of period$73,553
 $572,382
 $(498,829)
Net decrease in cash, cash equivalents and restricted cash(22,391) (140,001) 117,610
Cash, cash equivalents and restricted cash at beginning of period79,374
 223,828
 (144,454)
Cash, cash equivalents and restricted cash at end of period$56,983
 $83,827
 $(26,844)
Cash Flows Provided by Operating Activities
Cash flows provided by operating activities increased by $97,660$32,622 to $1,346,386 for the nine months ended September 30, 2018 from $1,313,764 for the nine months ended September 30, 2017 from $1,216,104 for the nine months ended September 30, 2016. The increase was driven by improved operating performance, partially offset by the timing of interest payments and a payment for a legal settlement.2017.
Our largest source of cash provided by operating activities is generated by subscription and subscription-related revenues.  We also generate cash from the sale of advertising on certain non-music channels and the sale of satellite radios, components and accessories.  Our primary uses of cash from operating activities include revenue share and royalty payments to distributors, programming and content providers, and payments to radio manufacturers, distributors and automakers. In addition, uses of cash from operating activities include payments to vendors to service, maintain and acquire subscribers, general corporate expenditures, and compensation and related costs.
Cash Flows Used in Investing Activities
Cash flows used in investing activities in the nine months ended September 30, 2018 and 2017 were primarily due to additional spending to construct replacement satellites, improve our terrestrial repeater network, for capitalized software, deferred compensation and invest in other equity investees. We spent $90,747 and $78,852 to construct replacement satellites during the nine months ended September 30, 2018 and 2017, respectively. In addition, cash flows used in investing activities in the nine months ended September 30, 2017 were primarily due to our investment in Pandora of $480,000, loans to related parties of $130,794, payments to acquire additional ownership in related parties (inclusive of transaction costs) of $132,205 and the acquisition of Automatic for $107,736$107,351 (net of cash and restricted cash acquired), and additional spending of $78,852 to construct replacement satellites, improve our terrestrial repeater network, and for capitalized software.  In 2016, our cash flows used in investing activities were primarily due to additional spending to improve our terrestrial repeater network and for capitalized software..

Cash Flows Used in Financing Activities
Cash flows used in financing activities consists of the issuance and repayment of long-term debt, the purchase of common stock under our share repurchase program, and the payment of cash dividends.dividends and taxes paid in lieu of shares issued for stock-based compensation.  Proceeds from long-term debt have been used to fund our operations, construct and launch new satellites, invest in other infrastructure improvements and purchase shares of our common stock.
Cash flows used in financing activities in the nine months ended September 30, 20172018 were primarily due to the redemptionpurchase and retirement of $1,500,000 aggregate principal amountshares of then-outstanding notes,our common stock under our repurchase program for $661,760, the payment of cash dividends of $148,000, repayment under the Credit Facility of $184,701 and payment of $111,281 for taxes paid in lieu of shares issued for share-based compensation. Cash flows used in financing activities in the nine months ended September 30, 2017 were primarily due to the purchase and retirement for $996,263 of shares of our common stock under our repurchase program, the payment of cash dividends of $139,854, and net repayments of $100,000 under the Credit Facility.Facility and payment of $84,291 for taxes paid in lieu of shares issued for share-based compensation. Cash flows provided by financing activities in the nine months ended September 30, 2017 were primarily due to the net issuance of $2,500,000$963,596 aggregate principal amount of notes. Cash flows used in financing activities in the nine months ended September 30, 2016 were primarily due to the purchase and retirement for $1,225,284 of shares of our common stock under our repurchase program, partially offset by net borrowings of $638,393.

Future Liquidity and Capital Resource Requirements
Based upon our current business plans, we expect to fund operating expenses, capital expenditures, including the construction of replacement satellites, working capital requirements, legal settlements, interest payments, taxes and scheduled maturities of our debt with existing cash, cash flow from operations and borrowings under our Credit Facility.  As of September 30, 2017, $1,460,0002018, $1,632,000 was available for future borrowing under our Credit Facility.  We believe that we have sufficient cash and cash equivalents, as well as debt capacity, to cover our estimated short-term and long-term funding needs of our satellite spend, as well as fund stock repurchases, future dividend payments and strategic opportunities.
Our ability to meet our debt and other obligations depends on our future operating performance and on economic, financial, competitive and other factors. We continually review our operations for opportunities to adjust the timing of expenditures to ensure that sufficient resources are maintained.
We regularly evaluate our business plans and strategy. These evaluations often result in changes to our business plans and strategy, some of which may be material and significantly change our cash requirements. These changes in our business plans or strategy may include: the acquisition of unique or compelling programming; the development and introduction of new features or services; significant new or enhanced distribution arrangements; investments in infrastructure, such as satellites, equipment or radio spectrum; and acquisitions and investments, including acquisitions and investments that are not directly related to our satellite radio business.
Capital Return Program
As of September 30, 2017,2018, our board of directors had authorized for repurchase an aggregate of $10,000,000$12,000,000 of our common stock.  As of September 30, 2017,2018, our cumulative repurchases since December 2012 under our stock repurchase program totaled 2,397,9322,577,852 shares for $8,960,948,$10,028,012, and $1,039,052$1,971,988 remained available for additional repurchases under our existing stock repurchase program.program authorization.
Shares of common stock may be purchased from time to time on the open market and in privately negotiated transactions, including in accelerated stock repurchase transactions and transactions with Liberty Media and its affiliates. We intend to fund the additional repurchases through a combination of cash on hand, cash generated by operations and future borrowings.
Historically, our policy has been to repurchase shares under the “safe harbor” conditions of Rule 10b-18 of the Securities Exchange Act of 1934, which includes a limitation on the daily volume of repurchases.  Rule 10b-18 imposes an additional daily volume limitation on share repurchases during a pending merger or acquisition in which shares of our stock will constitute some or all of the consideration. Our management has determined that during the pending acquisition of Pandora, when the safe harbor would otherwise be available, it is in our best interest to repurchase shares in excess of this additional daily volume limitation.  During this period, we intend to repurchase shares in compliance with the other conditions of the safe harbor, including the daily volume limitation that applies whether or not there is a pending stock merger or acquisition.

On October 3, 2017,9, 2018, our board of directors declared a quarterly dividend on our common stock in the amount of $0.011$0.0121 per share of common stock payable on November 30, 20172018 to stockholders of record as of the close of business on November 9, 2017.2018. Our board of directors expects to declare regular quarterly dividends, in an aggregate annual amount of $0.044$0.0484 per share of common stock.
Debt Covenants
The indentures governing Sirius XM's senior notes and the agreement governing the Credit Facility include restrictive covenants.  As of September 30, 2017,2018, we were in compliance with such covenants.  For a discussion of our “Debt Covenants,” refer to Note 11 to our unaudited consolidated financial statements in Part I, Item 1, of this Quarterly Report on Form 10-Q.
Off-Balance Sheet Arrangements
We do not have any significant off-balance sheet arrangements other than those disclosed in Note 14 to our unaudited consolidated financial statements in Part I, Item 1, of this Quarterly Report on Form 10-Q that are reasonably likely to have a material effect on our financial condition, results of operations, liquidity, capital expenditures or capital resources.
Contractual Cash Commitments
For a discussion of our “Contractual Cash Commitments,” refer to Note 14 to our unaudited consolidated financial statements in Part I, Item 1, of this Quarterly Report on Form 10-Q.
Related Party Transactions
For a discussion of “Related Party Transactions,” refer to Note 10 to our unaudited consolidated financial statements in Part I, Item 1, of this Quarterly Report on Form 10-Q.
Critical Accounting Policies and Estimates
For a discussion of our “Critical Accounting Policies and Estimates,” refer to “Management's Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2016.2017. There have been no material changes to our critical accounting policies and estimates since December 31, 2016.2017.

Recent Accounting Pronouncements
In May 2014,We adopted the Financial Accounting Standards Board (“FASB”) issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606). This ASU is a comprehensive new revenue recognition model that requires a company to recognize revenue to depict the transfer of goods or services to a customer at an amount that reflects the consideration it expects to receive in exchange for those goods or services. This ASU also requires additional disclosure about the nature, amount, timing and uncertainty of revenue and cash flows arising from customer contracts, including significant judgments and changes in judgments and assets recognized from costs incurred to obtain or fulfill a contract. In August 2015, the FASB issued ASU 2015-14 which amended the effective date of this ASU to fiscal years beginning after December 15, 2017, and early adoption is permitted only for fiscal years beginning after December 15, 2016. In 2016, the FASB issued additional guidance which clarified principal versus agent considerations, identification of performance obligations and the implementation guidance for licensing. In addition, the FASB issued guidance regarding practical expedients related to disclosures of remaining performance obligations, as well as other amendments to the guidance on transition, collectibility, non-cash consideration and the presentation of sales and other similar taxes. The two permitted transition methods under the new standard are the full retrospective method, in which case the standard would be applied to each prior reporting period presented, orusing the modified retrospective method in which caseby recognizing the cumulative effect of initially applying the new revenue standard would be recognized at the dateto all non-completed contracts as of initial application. We currently plan to adopt this ASU under the modified retrospective method.
We have completed our evaluation of the impact this ASU will have on our primary revenue streams.  Based on our assessment of the impact of implementing this ASU on January 1, 2018 underas an adjustment to opening Accumulated deficit in the modified retrospective method,period of adoption. For more information regarding the most significant impactadoption of the ASU relatesnew revenue standard, refer to the classification of Revenue share and certain subsidy payments made to automakers associated with a paid promotional subscription.  Under the new standard, these payments associated with a paid promotional subscription will be treated as a reduction to the transaction price rather than as an expense as classified under ASC 605.  We expect this change to reduce Subscription revenue by less than 3% upon adoption along with a corresponding reduction to Revenue share and royalties and Subscriber acquisition costs, and as a result, we do not expect this change to have an impactNote 2 to our Net income, or our key financial performance metrics, Adjusted EBITDA and Free Cash Flow. We expect this change will impact certain of our operating performance metrics, specifically a reduction in ARPU by less than 3% and to a lesser extent SAC, Per Installation. Additionally, within our consolidated balance sheets, upon adoption, the amount of revenue share and certain subsidy payments made to automakers associated with a paid promotional subscription will be classified as a liability separate from deferred revenue.
The adoption of this ASU will also have an impact to the timing of recognition of certain other ancillary revenue and expense streams, which we do not expect to have a material impact to ourunaudited consolidated financial statements or our key financial or operating performance metrics.
We expect to complete our implementation process, which includes the necessary changes to our business processes, systems and controls to support recognition and disclosure, prior to the adoptionin Part I, Item 1, of this ASUQuarterly Report on January 1, 2018.Form 10-Q.
Glossary
Adjusted EBITDA - EBITDA is defined as net income before interest expense, income tax expense and depreciation and amortization. We adjust EBITDA to exclude the impact of other income as well as certain other charges discussed below. Adjusted EBITDA is one of the primary Non-GAAP financial measures we use to (i) evaluate the performance of our on-going core operating results period over period, (ii) base our internal budgets and (iii) compensate management. Adjusted EBITDA is a Non-GAAP financial measure that excludes (if applicable): (i) certain adjustments as a result of the purchase price accounting for the Merger, (ii) share-based payment expense and (iii) other significant operating expense (income) that do not relate to the on-going performance of our business. We believe adjusted EBITDA is a useful measure of the underlying trend of our operating performance, which provides useful information about our business apart from the costs associated with our capital structure and purchase price accounting. We believe investors find this Non-GAAP financial measure useful when analyzing our past operating performance with our current performance and comparing our operating performance to the performance of other communications, entertainment and media companies. We believe investors use adjusted EBITDA to estimate our current enterprise value and to make investment decisions. BecauseAs a result of large capital investments in our satellite radio system, our results of operations reflect significant charges for depreciation expense. We believe the exclusion of share-based payment expense is useful as it is not directly related to the operational conditions of our business. We also believe the exclusion of the legal settlements and reserves related to the historical use of sound recordings, acquisition related costs, loss on extinguishment of debt and loss on disposal of assets, to the extent they occur during the period, is useful as they are significant expenses not incurred as part of our normal operations for the period.

Adjusted EBITDA has certain limitations in that it does not take into account the impact to our statements of comprehensive income of certain expenses, including share-based payment expense and certain purchase price accounting for the Merger. We endeavor to compensate for the limitations of the Non-GAAP measure presented by also providing the comparable GAAP measure with equal or greater prominence and descriptions of the reconciling items, including quantifying such items, to derive the Non-GAAP measure.  Investors that wish to compare and evaluate our operating results after giving effect for these costs, should refer to net income as disclosed in our unaudited consolidated statements of comprehensive income. Since adjusted EBITDA is a Non-GAAP financial performance measure, our calculation of adjusted EBITDA may be susceptible to varying calculations; may not be comparable to other similarly titled measures of other companies; and should not be considered in isolation, as a substitute for, or superior to measures of financial performance prepared in accordance with GAAP. The reconciliation of net income to the adjusted EBITDA is calculated as follows:

For the Three Months Ended September 30, For the Nine Months Ended September 30,For the Three Months Ended September 30, For the Nine Months Ended September 30,

2017 2016 2017 20162018 2017 2018 2017
Net income:$275,722
 $193,901
 $684,904

$541,306
$343,048
 $275,722
 $924,841
 $684,904
Add back items excluded from Adjusted EBITDA:    




    

 

Purchase price accounting adjustments:    




    

 

Revenues1,813
 1,813
 5,438

5,438
1,813
 1,813
 5,438
 5,438
Loss on disposal of assets
 
 
 12,912
Sound recording legal settlements and reserves
 
 69,144
 
Share-based payment expense34,891
 30,020
 94,588

77,890
29,405
 34,891
 99,853
 94,588
Depreciation and amortization79,913
 67,880
 230,136

202,215
75,510
 79,913
 222,345
 230,136
Interest expense92,634
 89,092
 257,085

250,888
86,218
 92,634
 262,924
 257,085
Loss on extinguishment of debt43,679
 
 43,679
 

 43,679
 
 43,679
Other income(86,971) (2,370) (83,897)
(15,733)
Other (income) expense41,766
 (86,971) (82,334) (83,897)
Income tax expense108,901
 111,556
 342,387

326,108
11,525
 108,901
 162,344
 342,387
Adjusted EBITDA$550,582
 $491,892
 $1,574,320

$1,401,024
$589,285
 $550,582
 $1,664,555
 $1,574,320
ARPU - is derived from total earned subscriber revenue, advertising revenue and other subscription-related revenue, excluding revenue associated with our connected vehicle services, divided by the number of months in the period, divided by the daily weighted average number of subscribers for the period. Other subscription-related revenue includes the U.S. Music Royalty Fee.  The ARPU for the three and nine months ended September 30, 2018 reflects adjustments as a result of adopting the new revenue standard as of January 1, 2018. ARPU is calculated as follows:
For the Three Months Ended September 30, For the Nine Months Ended September 30,For the Three Months Ended September 30, For the Nine Months Ended September 30,
2017 2016 2017 20162018 2017 2018 2017
Subscriber revenue, excluding connected vehicle services$1,115,383
 $1,048,033
 $3,263,793

$3,044,438
$1,132,344
 $1,115,383
 $3,337,245
 $3,263,793
Add: advertising revenue41,462
 34,268
 117,656

99,330
46,187
 41,462
 135,477
 117,656
Add: other subscription-related revenue131,831
 122,013
 384,478

353,606
177,674
 131,831
 483,548
 384,478
$1,288,676
 $1,204,314
 $3,765,927
 $3,497,374
$1,356,205
 $1,288,676
 $3,956,270
 $3,765,927
Daily weighted average number of subscribers32,029
 30,776
 31,717

30,290
33,545
 32,029
 33,192
 31,717
ARPU$13.41
 $13.04
 $13.19

$12.83
$13.48
 $13.41
 $13.24
 $13.19

The table below illustrates the impact that the adoption of the new revenue standard had on ARPU for the three and nine months ended September 30, 2018.
 For the Three Months Ended September 30, 2018 For the Nine Months Ended September 30, 2018
 As Reported Impact of Adopting ASU 2014-09 Balances Without Adoption of ASU 2014-09 As Reported Impact of Adopting ASU 2014-09 Balances Without Adoption of ASU 2014-09
Subscriber revenue, excluding connected vehicle services$1,132,344
 $24,103
 $1,156,447
 $3,337,245
 $72,282
 $3,409,527
Add: advertising revenue46,187
 
 46,187
 135,477
 
 135,477
Add: other subscription-related revenue177,674
 
 177,674
 483,548
 
 483,548
 $1,356,205
 $24,103
 $1,380,308
 $3,956,270
 $72,282
 $4,028,552
Daily weighted average number of subscribers33,545
 33,545
 33,545
 33,192
 33,192
 33,192
ARPU (a)
$13.48
 $0.24
 $13.72
 $13.24
 $0.24
 $13.48
(a)Amounts may not recalculate as a result of rounding.
Average self-pay monthly churn - is defined as the monthly average of self-pay deactivations for the period divided by the average number of self-pay subscribers for the period.

Customer service and billing expenses, per average subscriber - is derived from total customer service and billing expenses, excluding connected vehicle customer service and billing expenses and share-based payment expense, divided by the number of months in the period, divided by the daily weighted average number of subscribers for the period. We believe the exclusion of share-based payment expense in our calculation of customer service and billing expenses, per average subscriber, is useful as share-based payment expense is not directly related to the operational conditions that give rise to variations in the components of our customer service and billing expenses. Customer service and billing expenses, per average subscriber, is calculated as follows:
For the Three Months Ended September 30, For the Nine Months Ended September 30,For the Three Months Ended September 30, For the Nine Months Ended September 30,
2017 2016 2017 20162018 2017 2018 2017
Customer service and billing expenses, excluding connected vehicle services$89,463
 $90,582
 $271,971
 $270,964
$88,358
 $89,463
 $265,426
 $271,971
Less: share-based payment expense(1,171) (1,069) (3,211) (2,694)(1,206) (1,171) (3,347) (3,211)

$88,292
 $89,513
 $268,760
 $268,270
$87,152
 $88,292
 $262,079
 $268,760
Daily weighted average number of subscribers32,029
 30,776
 31,717
 30,290
33,545
 32,029
 33,192
 31,717
Customer service and billing expenses, per average subscriber$0.92
 $0.97
 $0.94
 $0.98
$0.87
 $0.92
 $0.88
 $0.94

Free cash flow - is derived from cash flow provided by operating activities, net of additions to property and equipment and restricted and other investment activity and the return of capital from investment in unconsolidated entity.activity. Free cash flow is a metric that our management and board of directors use to evaluate the cash generated by our operations, net of capital expenditures and other investment activity. In a capital intensive business, with significant investments in satellites, we look at our operating cash flow, net of these investing cash outflows, to determine cash available for future subscriber acquisition and capital expenditures, to repurchase or retire debt, to acquire other companies and to evaluate our ability to return capital to stockholders. We exclude from free cash flow certain items that do not relate to the on-going performance of our business, such as cash outflows for acquisitions, strategic investments, and loans tonet loan activity with related parties.parties and other equity investees. We believe free cash flow is an indicator of the long-term financial stability of our business.  Free cash flow, which is reconciled to “Net cash provided by operating activities,” is a Non-GAAP financial measure.  This measure can be calculated by deducting amounts under the captions “Additions to property and equipment” and deducting or adding Restricted and other investment activity from “Net cash provided by operating activities” from the unaudited consolidated statements of cash flows, adjusted for any significant legal settlements.flows. Free cash flow should be used in conjunction with other GAAP financial performance measures and may not be comparable to free cash flow measures presented by other companies.  Free cash flow should be viewed as a supplemental measure rather than an alternative measure of cash flows from operating activities, as determined in accordance with GAAP.  Free cash flow is limited and does not represent remaining cash flows available for discretionary expenditures due to the fact that the measure does not deduct the payments required for debt maturities. We believe free cash flow provides useful supplemental information to investors regarding our current cash flow, along with other GAAP measures (such as cash flows from operating and investing activities), to determine our financial condition, and to compare our operating performance to other communications, entertainment and media companies. Free cash flow is calculated as follows:

For the Three Months Ended September 30, For the Nine Months Ended September 30,For the Three Months Ended September 30, For the Nine Months Ended September 30,

2017 2016 2017 20162018 2017 2018 2017
Cash Flow information              
Net cash provided by operating activities$521,228
 $421,816
 $1,313,764
 $1,216,104
$352,270
 $521,228
 $1,346,386
 $1,313,764
Net cash used in investing activities$(397,367) $(65,289) $(1,065,047) $(136,414)$(66,957) $(397,414) $(251,264) $(1,064,662)
Net cash used in financing activities$(93,046) $(260,598) $(389,103) $(619,146)$(302,785) $(93,046) $(1,117,513) $(389,103)
Free Cash Flow              
Net cash provided by operating activities$521,228
 $421,816
 $1,313,764
 $1,216,104
$352,270
 $521,228
 $1,346,386
 $1,313,764
Additions to property and equipment(87,200) (65,074) (206,717) (132,246)(64,462) (87,200) (238,735) (206,717)
Purchases of restricted and other investments(240) (215) (7,595) (4,168)(236) (240) (7,374) (7,595)
Free cash flow$433,788
 $356,527
 $1,099,452
 $1,079,690
$287,572
 $433,788
 $1,100,277
 $1,099,452
New vehicle consumer conversion rate - is defined as the percentage of owners and lessees of new vehicles that receive our satellite radio service and convert to become self-paying subscribers after the initial promotion period. At

the time satellite radio enabled vehicles are sold or leased, the owners or lessees generally receive trial subscriptions ranging from three to twelve months. We measure conversion rate three months after the period in which the trial servicepromotional period ends. The metric excludes rental and fleet vehicles.

Subscriber acquisition cost, per installation - or SAC, per installation, is derived from subscriber acquisition costs and margins from the sale of radios and accessories (excluding connected vehicle services), divided by the number of satellite radio installations in new vehicles and shipments of aftermarket radios for the period.  The SAC, per installation, for the three and nine months ended September 30, 2018 reflects adjustments as a result of adopting the new revenue standard as of January 1, 2018. SAC, per installation, is calculated as follows:

For the Three Months Ended September 30, For the Nine Months Ended September 30,For the Three Months Ended September 30, For the Nine Months Ended September 30,

2017 2016 2017 20162018 2017 2018 2017
Subscriber acquisition costs, excluding connected vehicle services$119,544
 $120,111
 $372,186
 $381,516
$109,469
 $119,544
 $351,940
 $372,186
Less: margin from sales of radios and accessories, excluding connected vehicle services(23,862) (21,632) (66,893) (57,104)(33,084) (23,862) (89,084) (66,893)

$95,682
 $98,479
 $305,293
 $324,412
$76,385
 $95,682
 $262,856
 $305,293
Installations3,221
 3,498
 10,167
 10,404
3,227
 3,221
 9,920
 10,167
SAC, per installation$30
 $28
 $30
 $31
$23.67
 $29.71
 $26.50
 $30.03

The table below illustrates the impact that the adoption of the new revenue standard has had on SAC, per installation, for the three and nine months ended September 30, 2018.
 For the Three Months Ended September 30, 2018 For the Nine Months Ended September 30, 2018
 As Reported Impact of Adopting ASU 2014-09 Balances Without Adoption of ASU 2014-09 As Reported Impact of Adopting ASU 2014-09 Balances Without Adoption of ASU 2014-09
Subscriber acquisition costs, excluding connected vehicle services$109,469
 $902
 $110,371
 $351,940
 $2,748
 $354,688
Less: margin from sales of radios and accessories, excluding connected vehicle services(33,084) 
 (33,084) (89,084) 
 (89,084)
 $76,385
 $902
 $77,287
 $262,856
 $2,748
 $265,604
Installations3,227
 3,227
 3,227
 9,920
 9,920
 9,920
SAC, per installation (a)
$23.67
 $0.28
 $23.95
 $26.50
 $0.28
 $26.78
(a)Amounts may not recalculate as a result of rounding.

ITEM 3.QUANTITATIVE AND QUALITATIVE DISCLOSURE ABOUT MARKET RISKS
As of September 30, 2017,2018, we did not hold or issue any free-standing derivatives.  We hold investments in money market funds and certificates of deposit.  These securities are consistent with the objectives contained within our investment policy.  The basic objectives of our investment policy are the preservation of capital, maintaining sufficient liquidity to meet operating requirements and maximizing yield. As of September 30, 2017,2018, we also held the following material investments:
Pandora Media, Inc. ("Pandora") Series A Preferred Stock, which investment we have elected to account for this investment under the fair value option. As of September 30, 2017,2018, the fair value of this investment was $552.2$554.4 million, which was based on a Black-Scholes option pricing model and an income approach - discounted cash flow analysis. Had the market price of Pandora's common stock been 10% lower as of September 30, 2017,2018, the value of thisour investment would have been approximately $23.7$19.3 million lower.
In connection with the recapitalization of Sirius XM Canada Holdings Inc. ("Sirius XM Canada"), on May 25, 2017, we loaned Sirius XM Canada $130.8 million. The loan is denominated in Canadian dollars and is subject to changes in foreign currency. It is considered a long-term investment with any unrealized gains or losses reported within Accumulated other comprehensive (loss) income. Such loan has a term of fifteen years, bears interest at a rate of 7.62% per annum and includes customary covenants and events of default, including an event of default relating to Sirius XM Canada’s failure to maintain specified leverage ratios. The carrying value of the loan as of September 30, 20172018 was $141.2$133.2 million and approximates its fair value. As the loan is denominated in Canadian dollars it is subject to changes in foreign currency.value as of such date. Had the Canadian to U.S. dollar exchange rate been 10% lower as of September 30, 2017,2018, the value of this loan would have been approximately $14.1$13.3 million lower.

Our debt includes fixed rate instruments and the fair market value of our debt is sensitive to changes in interest rates. Sirius XM's borrowings under the Credit Facility carry a variable interest rate based on LIBOR plus an applicable rate based on its debt to operating cash flow ratio.  We currently do not use interest rate derivative instruments to manage our exposure to interest rate fluctuations.
ITEM 4.CONTROLS AND PROCEDURES
Controls and Procedures
We maintain a set of disclosure controls and procedures designed to ensure that information required to be disclosed in reports that we file or submit under the Exchange Act of 1934, is recorded, processed, summarized and reported within the time periods specified in SEC rules and forms, and that such information is accumulated and communicated to our management, including our principal executive officer and principal financial officer, as appropriate, to allow timely decisions regarding required disclosures. The design of any disclosure controls and procedures is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all

potential future conditions. Any controls and procedures, no matter how well designed and operated, can provide only reasonable, not absolute, assurance of achieving the desired control objectives.

As of September 30, 2017,2018, an evaluation was performed under the supervision and with the participation of our management, including James E. Meyer, our Chief Executive Officer, and David J. Frear, our Senior Executive Vice President and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures (as that term is defined in Rule 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934). Based on that evaluation, our management, including our Chief Executive Officer and our Chief Financial Officer, concluded that our disclosure controls and procedures were effective as of September 30, 2017.2018.
    
There has been no significant change in our internal control over financial reporting (as that term is defined in Rule 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934) during the quarter ended September 30, 20172018 that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.



PART II — OTHER INFORMATION
ITEM 1.LEGAL PROCEEDINGS
In the ordinary course of business, we are a defendant or party to various claims and lawsuits, including those discussed below.

SoundExchange Royalty Claims. In August 2013,On June 7, 2018, Sirius XM entered into an agreement with SoundExchange, Inc., the organization that collects and distributes sound recording royalties pursuant to our statutory license, to settle the cases titled SoundExchange, Inc. v. Sirius XM Radio, Inc., No.13-cv-1290-RJL (D.D.C.), and SoundExchange, Inc. v. Sirius XM Radio, Inc., No.17-cv-02666-RJL (D.D.C.). A description of these actions is contained in our prior public filings. In connection with the settlement, we made a one-time lump sum payment of $150 million to SoundExchange on July 6, 2018. The settlement resolved all outstanding claims, including ongoing audits, under our statutory license for sound recordings for the period January 1, 2007 through December 31, 2017.

Telephone Consumer Protection Act Suits. On March 13, 2017, Thomas Buchanan, individually and on behalf of all others similarly situated, filed a class action complaint against us in the United States District Court for the Northern District of Columbia allegingTexas, Dallas Division. The plaintiff in this action alleges that we underpaid royalties for statutory licensesviolated the Telephone Consumer Protection Act of 1991 (the “TCPA”) by, among other things, making telephone solicitations to persons on the National Do-Not-Call registry, a database established to allow consumers to exclude themselves from telemarketing calls unless they consent to receive the calls in a signed, written agreement, and making calls to consumers in violation of our internal Do-Not-Call registry. The plaintiff is seeking various forms of relief, including statutory damages of $500 for each violation of the regulations established by the Copyright Royalty Board for the 2007-2012 period. SoundExchange principally alleges that we improperly reduced our gross revenues applicable to royalties by improperly deducting revenue attributable to pre-1972 recordings and Premier package revenue that is not “separately charged” as required by the regulations. We believe that we properly applied the gross revenue exclusions containedTCPA or, in the regulations established by the Copyright Royalty Board. SoundExchange is seeking compensatoryalternative, treble damages of not less than $50 million and up to $100 million$1,500 for each knowing and willful violation of the TCPA and a permanent injunction prohibiting us from making, or more, payment of late fees and interest, and attorneys’ fees and costs.

In August 2014, the United States District Court for the District of Columbia, in responsehaving made, any calls to our motion to dismiss the complaint, stayed the caseland lines that are listed on the grounds that it properly should be pursued in the first instance before the Copyright Royalty Board rather than the District Court.  In its opinion, the District Court concluded that the gross revenue exclusions in the regulations established by the Copyright Royalty Board for the 2007-2012 period were ambiguous and did not, on their face, make clear whetherNational Do-Not-Call registry or our royalty calculation approaches were permissible under the regulations. In December 2014, SoundExchangeinternal Do-Not-Call registry. The plaintiff has filed a petition with the Copyright Royalty Board requesting an order interpreting the applicable regulations.

On September 11, 2017, the Copyright Royalty Board issued a ruling concludingmotion seeking class certification, and that we correctly interpreted the revenue exclusions applicable to pre-1972 recordings. Given the limitations on its jurisdiction, the Copyright Royalty Board deferred to further proceedings in the District Court the question of whether we properly applied those pre-1972 revenue exclusions. The Judges also concluded that we improperly claimed a revenue exclusion based on our Premier package upcharge, because, in the Judges’ view, the portion of the package that contained programming that did not include sound recordings was not offered for a “separate charge.”

Rulings by the Copyright Royalty Board, including its September 11, 2017 ruling, are subject to limited legal review by the Register of Copyrights. Following a review by the Register of Copyrights and publication in the Federal Register, we expect that the ultimate ruling by the Copyright Royalty Board in this matter will be transmitted back to the District Court for further proceedings, such as adjudication claims relating to damages and defenses.motion is pending. We believe we have substantial defenses to SoundExchangethe claims that can be asserted including in proceedings in the District Court,this action, and will continuewe intend to defend this action vigorously.

This matter is titled SoundExchange, Inc. v. Sirius XM Radio, Inc., No.13-cv-1290-RJL (D.D.C.), and Determination of Rates and Terms for Preexisting Subscription Services and Satellite Digital Audio Radio Services, United States Copyright Royalty Board, No. 2006-1 CRB DSTRA.  Information concerning the action is publicly available in filings under the docket numbers. This matter is not related to certain claims under state law brought by owners of pre-1972 recording copyrights arising out of our use and performance of those recordings.

At December 31, 2016, we concluded that a loss, in excess of our recorded liabilities, was reasonably possible in connection with the SoundExchange royalty claims. At September 30, 2017, the estimable portion of such possible loss ranged from $0 to $85 million, plus any related interest or late fees. Based on our defenses, such a loss is not considered probable at this time and no liability for such additional loss has been recorded. The matters underlying this estimated range and the estimable portion of reasonably possible losses may change from time to time and the actual possible loss may vary from this estimate.

Other Matters.  In the ordinary course of business, we are a defendant in various other lawsuits and arbitration proceedings, including derivative actions; actions filed by subscribers, both on behalf of themselves and on a class action basis; former employees; parties to contracts or leases; and owners of patents, trademarks, copyrights or other intellectual property.  None of these other matters, in our opinion, is likely to have a material adverse effect on our business, financial condition or results of operations.

ITEM 1A.RISK FACTORS
There have been no material changes to the risk factors previously disclosed in response to Part 1,I, Item 1A, of our Annual Report on Form 10-K for the year ended December 31, 2016.2017.

ITEM 2.UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
As of September 30, 2017,2018, our board of directors had authorized for repurchase an aggregate of $10.0$12.0 billion of our common stock.  Our board of directors did not establish an end date for this stock repurchase program.  Shares of common stock may be purchased from time to time on the open market, pursuant to pre-set trading plans meeting the requirements of Rule 10b5-1 under the Exchange Act, in privately negotiated transactions, including transactions with Liberty Media and its affiliates, or otherwise.  As of September 30, 2017,2018, our cumulative repurchases since December 2012 under our stock repurchase program totaled 2.42.6 billion shares for $9.0$10.0 billion, and $1.0$2.0 billion remained available under our stock repurchase program. The size and timing of these purchases will be based on a number of factors, including price and business and market conditions.

    
The following table provides information about our purchases of equity securities registered pursuant to Section 12 of the Exchange Act, as amended, during the quarter ended September 30, 2017:2018:
Period Total Number of Shares Purchased Average Price Paid Per Share (a) Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs (a)
July 1, 2017 - July 31, 2017 14,252,939
 $5.42
 14,252,939
 $1,173,207,778
August 1, 2017 - August 31, 2017 3,039,163
 $5.55
 3,039,163
 $1,156,336,225
September 1, 2017 - September 30, 2017 21,321,097
 $5.50
 21,321,097
 $1,039,052,453
Total 38,613,199
 $5.48
 38,613,199
  
Period Total Number of Shares Purchased Average Price Paid Per Share (a) Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs (a)
July 1, 2018 - July 31, 2018 3,229,826
 $7.06
 3,229,826
 $2,283,005,079
August 1, 2018 - August 31, 2018 28,873,629
 $6.97
 28,873,629
 $2,081,823,785
September 1, 2018 - September 30, 2018 15,770,956
 $6.96
 15,770,956
 $1,971,987,834
Total 47,874,411
 $6.97
 47,874,411
  
(a)These amounts include fees and commissions associated with the shares repurchased.

Recent Sales of Unregistered Securities
On May 25, 2017, in connection with the recapitalization of Sirius XM Canada, we issued 35 million shares of our common stock to the holders of the shares of Sirius XM Canada acquired in the transaction. The issuance of such shares of common stock was not registered under the Securities Act, because the shares were offered and sold in an exchange of securities exempt from the registration under Section 3(a)(10) of the Securities Act.

ITEM 3.DEFAULTS UPON SENIOR SECURITIES
Not applicable.

ITEM 4.MINE SAFETY DISCLOSURES
Not applicable.

ITEM 5.OTHER INFORMATION
None.In August 2018, the Compensation Committee of our Board of Directors amended the Sirius XM director compensation policy to: change the mix of equity-based compensation paid to directors, increase the annual cash retainer payable to the chair of the Nominating and Corporate Governance Committee, and adopt equity ownership guidelines for directors. As part of its evaluation of the directors’ compensation, the Compensation Committee engaged Frederick W. Cook & Co., Inc., an independent consulting firm specializing in executive compensation and related corporate governance matters, to assess the reasonableness of the directors’ compensation and compare it to other similarly situated companies.
Pursuant to the new director compensation policy, as Chairman of the board of directors, Mr. Maffei will continue to receive an annual cash retainer of $150,000, and Mr. Hartenstein, our lead independent director, will also continue to receive an annual cash retainer of $150,000. The other non-employee members of our board of directors will each continue to receive an annual cash retainer of $100,000. The chair of the Audit Committee will receive an additional $30,000; the chair of the Compensation Committee will receive an additional $20,000; and the chair of the Nominating and Corporate Governance Committee will receive an additional $15,000, an increase in the case of the Nominating and Corporate Governance Committee of $5,000 from the prior policy.

In addition, each member will be eligible to receive $175,000 per year in the form of restricted stock units. These restricted stock units will be granted on the business day following the earlier of (i) June 30 of the applicable year or (ii) our annual meeting of stockholders for the applicable year. These restricted stock units replace the $100,000 in equity-based compensation that directors received under the prior policy in the form of options to purchase our common stock and restricted stock units.

The Compensation Committee also adopted guidelines for common stock ownership by directors. In accordance with the new guidelines, each director is expected to own shares of our common stock equal in value to at least five times the annual cash retainer payable to the director. All directors will have until the later of: (i) five years from the date the director is elected or appointed as a member of the Board and (ii) September 1, 2023, to reach these minimum ownership guidelines.

Directors may continue to defer their annual cash retainer each year under the Sirius XM Holdings Inc. Deferred Compensation Plan. Participation in the Deferred Compensation Plan, and to what extent, is at each director’s discretion and there is no matching contribution from us.


This amended director compensation policy will be effective tomorrow, the day following the filing of this Quarterly Report on Form 10-Q. On the effective date, we intend to grant restricted stock units to the non-employee members of our board of directors equal to $75,000 divided by the closing price of the our common stock on the Nasdaq Global Select Market. These restricted stock units will vest on the earlier of (i) June 30, 2019 or (ii) the business day following our 2019 annual meeting of stockholders. This one-time grant of restricted stock units is intended to give effect to the increase in equity compensation under the amended director compensation policy prior to our 2019 annual meeting of stockholders.

ITEM 6.EXHIBITS
See Exhibit Index attached hereto, which is incorporated herein by reference.

EXHIBIT INDEX

Exhibit Description
   
2.1
 
10.1
   
*10.2
 
   
*10.3
31.1
 
   

 
   

 
   

 
   
101.1
 The following financial information from our Quarterly Report on Form 10-Q for the quarter ended September 30, 20172018 formatted in eXtensible Business Reporting Language (XBRL): (i) Consolidated Statements of Comprehensive Income (Unaudited) for the three and nine months ended September 30, 20172018 and 2016;2017; (ii) Consolidated Balance Sheets as of September 30, 20172018 (Unaudited) and December 31, 2016;2017; (iii) Consolidated Statements of Stockholders’ (Deficit) Equity for the nine months ended September 30, 20172018 (Unaudited); (iv) Consolidated Statements of Cash Flows (Unaudited) for the nine months ended September 30, 20172018 and 2016;2017; and (v) Notes to Consolidated Financial Statements (Unaudited).
 ____________________
*This document has been identified as a management contract or compensatory plan or arrangement.

The agreements and other documents filed as exhibits to this report are not intended to provide factual information or other disclosure other than with respect to the terms of the agreements or other documents themselves, and you should not rely on them for that purpose. In particular, any representations and warranties made by us in these agreements or other documents were made solely within the specific context of the relevant agreement or document and may not describe the actual state of affairs as of the date they were made or at any other time.

SIGNATURES
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on this 25th24th day of October 2017.2018.

SIRIUS XM HOLDINGS INC.
   
By: 
/s/     DAVID J. FREAR
  David J. Frear
  Senior Executive Vice President and
  Chief Financial Officer
  (Principal Financial Officer and Authorized Officer)


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