Catalyst Pharmaceuticals (CPRX) 8-K Catalyst Pharmaceuticals Announces First Quarter 2020 Financial Results and Provides Corporate Update

Exhibit 99.1

Catalyst Pharmaceuticals Announces First Quarter 2020 Financial Results and Provides Corporate Update

-Firdapse^® Q1 2020 Net Revenues of $29.1 Million

-First Quarter 2020 GAAP Net Income of $10.4 Million

-Catalyst Withdraws Previous 2020 Revenue Guidance Due toCOVID-19 Uncertainties

-Catalyst to Host Quarterly Conference Call at 8:30 AM ET Tomorrow

CORAL GABLES, Fla., May 11, 2020 (GLOBE NEWSWIRE) — Catalyst Pharmaceuticals, Inc. (Catalyst) (Nasdaq:CPRX), a commercial-stage biopharmaceutical company focused on developing and commercializing innovative therapies for people with rare debilitating, chronic neuromuscular and neurological diseases, today reported financial results for the first quarter ended March 31, 2020 and provided a corporate update.

“I am very proud of the way that the entire Catalyst team has quickly responded and adapted in these challenging and unprecedented times to ensure the safety of all employees, while still providing uninterrupted access to Firdapse^® for LEMS patients and continuing our support with their healthcare providers, albeit remotely” said Patrick J. McEnany, Chairman and Chief Executive Officer of Catalyst Pharmaceuticals. “We entered 2020 with a very clear operational plan to drive the growth of the Firdapse franchise, advance our clinical development programs, including MuSK antibody positive Myasthenia Gravis, and secure our supply chain and safety stock of Firdapse. We have made progress against all of these objectives and our first quarter results reflect the solid execution of this plan.”

Q1-20 Financial Results

• Reported net product revenue of $29.1 million in the first quarter 2020 compared to $12.4 million in the first quarter of 2019, an increase of $16.7 million, or 134%.

• Reported GAAP net income of $10.4 million, or $0.10 per basic and diluted share, for the first quarter of 2020, compared with a GAAP net loss of $645 thousand, or $0.01 per basic and diluted share, for the first quarter of 2019.

• Research and development expenses for the first quarter of 2020 were $4.2 million as compared to $3.3 million for the first quarter of 2019.

• Selling, general and administrative expenses for the first quarter of 2020 totaled $10.1 million as compared to $8.4 million in the first quarter of 2019.

• Ended March 31, 2020 with $101.8 million in cash and investments and no funded debt.

Recent Developments and Highlights

• In the first quarter nearly doubled the size of our field sales force and contracted with a rare-disease experienced inside sales agency to support our commercial efforts.

• Increased our marketing efforts innon-personal promotion and digital communications.

• 46 new LEMS patients were prescribed Firdapse in first quarter of 2020.

Financial Highlights and Guidance

• Withdrawing previously provided 2020 revenue guidance due to the uncertainties surroundingCOVID-19 disruptions to the healthcare system.

• Strong balance sheet with $101.8 million in cash and investments, and no funded debt.

• Focused on exercising financial discipline.

Upcoming Milestones

• Expect to reporttop-line results from Phase 3 trial forMuSK-MG in the third quarter of 2020.

• Expect to reporttop-line results from the SMA Type 3 proof of concept trial before the end of 2020.

• Expect potential approval of New Drug Submission (NDS) for Firdapse to treat LEMS in Canada in the second half of 2020.

• Expect to submit a supplemental NDA for Firdapse forMuSK-MG, assuming successful completion of theMSK-002 trial, later this year or early next year.

COVID-19 Impact

• Issued a no travel and remote work policy for all Catalyst employees on March 16^th.

• Our first quarter revenues were minimally impacted byCOVID-19.

• We believe that our current base of LEMS patients on reimbursed Firdapse is fairly stable and very compliant to their medication regimen.

• Top-line data forMuSK-MG trial has moved to third quarter as a result of clinical trial sites temporarily suspending trial activities.

• Have not experienced any disruptions in the supply chain or production of Firdapse.

• Completed manufacturing campaigns to provide Firdapse inventory through June 2021, with new campaigns underway.

• Partnered with First Responder’s Children’sFoundation/COVID-19 Emergency Response Fund, which provides emergency grants to support frontline emergency and healthcare workers and their families enduring financial hardship during thisCOVID-19 pandemic.

Financial Results

For the quarter ended March 31, 2020, Catalyst reported net income of $10.4 million, or $0.10 per basic and diluted share, compared to a net loss of $645 thousand, or $0.01 per basic and diluted share, for the same period in 2019. Excluding expenses related to stock-based compensation of $1.5 million,non-GAAP¹ net income for the first quarter of 2020 was $11.9 million, or $0.12 per basic share and $0.11 per diluted share. This compares to anon-GAAP¹ net income of $289 thousand, or $0.00 per basic and diluted share, excluding stock-based compensation expense of $933 thousand, for the first quarter of 2019.

¹  Statements made in this press release include anon-GAAP financial measure. Such information is provided as additional information and not as an alternative to Catalyst’s financial statements presented in accordance with U.S. generally accepted accounting principles (GAAP). Thisnon-GAAP financial measure is intended to enhance an overall understanding of Catalyst’s current financial performance. Catalyst believes that thenon-GAAP financial measure presented in this press release provides investors and prospective investors with an alternative method for assessing Catalyst’s operating results in a manner that Catalyst believes is focused on the performance of ongoing operations and provides a more consistent basis for comparison between periods. Thenon-GAAP financial measure in this press release excludes from the calculation of net income (loss) the expense associated withnon-cash stock-basedcompensation. Non-GAAP income (loss) per share is calculated by dividingnon-GAAP income (loss) by the weighted average common shares outstanding.

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Catalyst launched its first product, Firdapse, in January 2019. Related product revenues, net for the quarter ended March 31, 2020 were $29.1 million compared to $12.4 million in the same period of 2019. Cost of sales for the quarter ended March 31, 2020 were $4.2 million compared to $1.7 million in the same period in 2019.

Research and development expenses for the first quarter of 2020 were $4.2 million, compared to $3.3 million in the first quarter of 2019. The increase of $915 thousand in research and development expenses for the first three months of 2020 is primarily attributable to increases in headcount, medical and regulatory affairs, quality assurance programs, and expenses from our Firdapse clinical trials and studies, as well as an increase innon-cash employee-stock based compensation. The Company expects that costs related to research and development activities will continue to be substantial throughout 2020 as Catalyst continues its clinical programs evaluating Firdapse inMuSK-MG and SMA Type 3, continues its Expanded Access Program and sustained release product development program for Firdapse, begins to evaluate Firdapse as a treatment for other neuromuscular diseases and, assuming positive results from the trial, prepares a sNDA for Firdapse for the treatment ofMuSK-MG.

Selling, general and administrative expenses for the first quarter of 2020 totaled $10.1 million as compared to $8.4 million in the first quarter of 2019. The increase when compared to the same period in 2019 is primarily due to additional cost from expansion of the sales force and contracting with a rare-disease experienced inside sales agency, and an increase innon-cash stock-based compensation. The Company expects selling, general and administrative expenses to increase in 2020, as the Company continues to build its infrastructure and commercial and patient programs in support of Firdapse sales activities.

At March 31, 2020, Catalyst had cash and cash equivalents and investments of $101.8 million and no funded-debt. Catalyst believes that its existing capital resources will be sufficient to support its planned operations for at least the next 12 months.

More detailed financial information and analysis may be found in the Company’s Quarterly Report on Form10-Q, which was filed with the Securities and Exchange Commission (SEC) on May 11, 2020.

Conference Call

Catalyst management will host an investment-community conference call and webcast at 8:30 a.m. ET, tomorrow, Tuesday, May 12, 2020 to discuss the financial results and provide a corporate update. Investors who wish to participate in the conference call may do so by dialing (877)407-8912 for domestic and Canadian callers or (201)689-8059 for international callers. Those interested in listening to the conference call live via the internet may do so by visiting the Investors page of the company’s website atwww.catalystpharma.com and clicking on the webcast link on the Investors home page. A webcast replay will be available on the Catalyst website for 30 days following the call by visiting the Investor page of the company’s website atwww.catalystpharma.com.

About Catalyst Pharmaceuticals

Catalyst Pharmaceuticals is a commercial-stage biopharmaceutical company focused on developing and commercializing innovative therapies for people with rare debilitating, chronic neuromuscular and neurological diseases, including Lambert-Eaton myasthenic syndrome (LEMS), anti-MuSK antibody positive myasthenia gravis(MuSK-MG) and spinal muscular atrophy (SMA) Type 3. Catalyst’s new drug application for Firdapse^® (amifampridine) 10 mg tablets for the treatment of adults with LEMS was approved in November 2018 by the U.S. Food & Drug Administration (“FDA”), and Firdapse is now commercially available in the United States as a treatment for adults (age 17 and up) with LEMS. Prior to its approval, Firdapse for LEMS had received breakthrough therapy designation and orphan drug designation from the FDA.

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Firdapse is currently being evaluated in clinical trials for the treatment ofMuSK-MG and SMA Type 3 and has received Orphan Drug Designation from the FDA for myasthenia gravis.

Forward-Looking Statements

This press release contains forward-looking statements. Forward-looking statements involve known and unknown risks and uncertainties, which may cause Catalyst’s actual results in future periods to differ materially from forecasted results. A number of factors, including (i) the impact of the effects of theCOVID-19 pandemic on Catalyst’s 2020 net product revenues and on the timeline for reporting thetop-line results from Catalyst’sMuSK-MG trial and SMA Type 3proof-of-concept study, and (ii) those factors described in Catalyst’s Annual Report on Form10-K for the fiscal year 2019 and Catalyst’s other filings with the U.S. Securities and Exchange Commission (SEC), could adversely affect Catalyst. Copies of Catalyst’s filings with the SEC are available from the SEC, may be found on Catalyst’s website, or may be obtained upon request from Catalyst. Catalyst does not undertake any obligation to update the information contained herein, which speaks only as of this date.

Investor Contact Brian Korb Solebury Trout (646)378-2923 bkorb@troutgroup.com Company Contact Patrick J. McEnany Catalyst Pharmaceuticals Chief Executive Officer (305)420-3200 pmcenany@catalystpharma.com

Media Contact

David Schull

Russo Partners

(212)845-4271

david.schull@russopartnersllc.com

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CATALYST PHARMACEUTICALS, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited)

	For the Three Months Ended March 31,
	2020		2019
Product revenue, net	$	29,136,472	$	12,448,438
Operating costs and expenses:
Cost of sales		4,150,866		1,711,788
Research and development		4,222,811		3,307,959
Selling, general and administrative		10,063,048		8,416,460
Total operating costs and expenses		18,436,725		13,436,207
Operating income (loss)		10,699,747		(987,769	)
Other income, net		336,233		343,266
Net income (loss) before income taxes		11,035,980		(644,503	)
Provision for income taxes		609,965		—
Net income (loss)	$	10,426,015	$	(644,503	)
Net income (loss) per share – basic and diluted	$	0.10	$	(0.01	)
Weighted average shares outstanding – basic		103,407,347		102,747,923
Weighted average shares outstanding – diluted		106,534,600		102,747,923

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CATALYST PHARMACEUTICALS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

	March 31, 2020		December 31, 2019
	(unaudited)
ASSETS
Current Assets:
Cash and cash equivalents	$	101,750,937	$	89,511,710
Short-term investments		—		5,007,050
Accounts receivable, net		6,918,563		10,536,997
Inventory		2,211,338		1,956,792
Prepaid expenses and other current assets		6,062,715		4,351,074
Total current assets		116,943,553		111,363,623
Operating leaseright-of-use asset		730,284		793,252
Property and equipment, net		196,926		210,467
Deposits		8,888		8,888
Total assets	$	117,879,651	$	112,376,230
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current Liabilities:
Accounts payable	$	1,347,577	$	4,117,447
Accrued expenses and other liabilities		16,287,936		19,981,295
Total current liabilities		17,635,513		24,098,742
Operating lease liability, net of current portion		568,421		647,532
Total liabilities		18,203,934		24,746,274
Total stockholders’ equity		99,675,717		87,629,956
Total liabilities and stockholders’ equity	$	117,879,651	$	112,376,230

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