Terrestar 8-K Regulation FD Disclosure

Exhbit 99.1

March 2008

2

“Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995:

This presentation includes “forward looking statements.” All statements other than statements of historical
facts included in this presentation regarding the prospects of our industry and our prospects, plans, financial
position and business strategy, may constitute forward looking statements. These statements are based on the
beliefs and assumptions of our management and on the information currently available to our management at
the time of such statements. Forward looking statements generally can be identified by the words “believes,”
“expects,” “anticipates,” “intends,” “plans,” “estimates” or similar expressions that indicate future events and
trends. Although we believe that the expectations reflected in these forward-looking statements are reasonable,
these expectations may not prove to be correct. Important factors that could cause actual results to differ
materially from our expectations are disclosed in our filings with the United States Securities and Exchange
Commission (“SEC”). All subsequent written and oral forward-looking statements attributable to us or persons
acting on our behalf are expressly qualified in their entirety by the cautionary statements included our SEC
filings. Factors, risks and uncertainties that could cause actual outcomes and results to be materially different
from those projected include, but are not limited to, our ability to obtain financing, obtain and maintain
regulatory approvals, generate sufficient cash flows, develop our universal chipset architecture, achieve market
acceptance for our services, develop our network and generate technological innovations.

The forward-looking statements in this presentation are made only as of the date of this presentation.We
undertake no obligation to update or revise the forward-looking statements, whether as a result of new
information, future events or otherwise.

Safe Harbor

3

ØTerreStar Corporation

§Publicly traded parent company (NASDAQ: “TSTR”)

–TerreStar Networks (“TSN”) ownership is approximately 86%

–TerreStar Global ownership is approximately 86%

–Beneficially owns approximately 30 million shares of SkyTerra (“SKYT”)

ØTerreStar Networks plans to develop, build and operate an all IP-based
 integrated satellite and ancillary terrestrial component (“ATC”) mobile
 communications network

§TSN has rights to use 20 MHz of ATC eligible MSS S-band spectrum

§The network will provide seamless, ubiquitous mobile communication services
    throughout the U.S. and Canada

§TerreStar Canada Ownership is approximately 47%

ØTSN plans to address growing government, enterprise and consumer demand
 for wireless mobile voice and data services

§Focus on government’s need for reliable emergency communications system

§Market the services on a wholesale basis as a “carrier’s carrier”

ØTerreStar Global, an 86% owned subsidiary of TerreStar Corporation, plans to
 develop and operate an all IP-based integrated satellite and Complementary
 Ground Component(“CGC”) mobile communications network in Europe

TerreStar Overview

4

Recent Transactions

•Highlights:

ØStrategic Investment by EchoStar Corporation (“SATS”) and Harbinger
 Capital Partners

–$300 million in funding

–8 MHz of additional nationwide spectrum

ØSale of SkyTerra Stock

–Proceeds of $76 million

•Objectives:

ØFunding through launch of TerreStar-1 and completion of TerreStar-2

ØDevelopment of Handset/Chipset

ØDeployment of initial stages of terrestrial network

ØEnhance TerreStar's nationwide spectrum footprint

5

SkyTerra

86%

12%

Individuals

2%

BCE (Canada)

<1%

TerreStar

HoldCo(Canada)

TerreStar

OpCo (Canada)

TMI (Canada)

100%

67%

80%

33%

20%

TS Austria

GmbH

TS Asia Ltd.

(Hong Kong)

30mm
SKYT shares

$500M Senior Secured PIK Notes

$50M New Sr. Sec. PIK Notes

$150M Senior Exchangeable PIK Notes

$100M Credit Facility for TerreStar-2

Corporate Structure

6

TerreStar Networks Strategy

7

ØSecure The License

ØPre-Subscribe the Service

ØBroaden Exit/Partner Opportunities

ØDe-Risk the Business

§ Management

§ Partners & Suppliers

§ “Smart” Build

§ FCC Milestones

§ Technology

ØPrudent Capital Plan

ØLeverage TerreStar Brand Internationally

TerreStar Networks Strategy: Path to Success

8

1 Based on IDC Research, March 2006

20+ MHz of
Spectrum

§ATC eligible S-band spectrum in the 2 GHz range in U.S. and Canada

§Adjacent to PCS spectrum used by national wireless carriers

§Significant underlying value based on recent FCC 700MHz Auction

§Newly announced nationwide spectrum at 1.4 GHz

Strong
Strategic
Relationships

§Cooperative Research and Development Agreement with U.S.
federal government in place

§Vendor relationships for construction and launch of satellite, buildout of
ground segment, and development of universal chipsetTM architecture

Advanced
Network &
Technology

§All IP-enabled next generation network

§Seamlessly integrated satellite and terrestrial system

§Prioritization of service capability in case of disaster or emergencies

§Universal chipsetTM architecture

§High demand for wireless services - $163B¹ revenue opportunity by 2010

§Governments’ heightened focus on public safety and Homeland Security

§Enterprises expanding wireless applications to improve operations

Large Market
Opportunity

Scalable
Business Model

§Wholesale / “carrier’s carrier” operating strategy

§Buildout in several key markets based on customer demand

TerreStar Networks Key Highlights

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Agreement with the Federal Government

“As a result of this CRADA, DISA expects an expanded resource
base of interoperable commercial equipment.

Both Collaborators expect this CRADA will yield substantial
progress, via information exchanges between DISA and TerreStar,
to eventually develop products that will mutually benefit the
Government and the collaborator.”

•Cooperative Research and Development Agreement (“CRADA”) between U.S.
Defense Information Systems Agency (“DISA”) and TerreStar concerning
TerreStar’s North American Emergency Response Communications Network

DISA-07-001

October 6, 2006

•CRADA positions TerreStar as a collaborator with the federal government regarding a
variety of public safety and defense users

•TSN believes the CRADA could provide benefit to the government in the following ways:

–Ensure continuity of communications in event of disaster

–Provide backup platform for command and control of federal, state and local officials

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Commercial & Enterprise Opportunities

ØExisting and Incumbent Wireline & Wireless Opportunities

§Metro Expansions

–Strategic Business Agreement with Simply Wireless

§No-gap, Ubiquitous Global Roaming

§Rural Communications, serving the underserved

§MVNO

–Joint Development and Marketing Agreement with telSPACE

ØOpportunities with Existing Wireless Operators

§Substantial Additional Services through Increased Spectrum

§Modernize and Enhance Capabilities through and all IP network

§Overall Business Opportunity Expansion through Satellite

ØFull Business Partnerships for new entrant

§Telematics & Machine-to-Machine Business Models

§Quad-Play Strategies

§Internet & DBS models

11

Building a 4G All-IP Ecosystem

12

Industry Leading Partners and Suppliers

13

TerreStar Networks Strategy

ØSecuring License

ØDe-Risking Business

ØPre-Subscribing Service

ØBroadening Exit/Partner Opportunities

Assets & Capabilities

§Most powerful two-way commercial communications geostationary
satellite

§Beam coverage: United States, Canada, Puerto Rico, Hawaii and Alaska

§Capable of generating approximately 500 simultaneous spot beams

§TerreStar-2 (spare) underway

§2 satellite Gateways

§ATC global IP license portfolio

Significant Development Progress

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Video
Conferencing

Telematics

Video Sharing

E-mail/Web

LMR/PTT

GPS/LBS

MSS/IM

Call Group

Voice & SMS

Advanced Technology, Diverse Devices;
Unified by the Universal Chipset

15

Finance

16

Financing
Transactions

§TerreStar will control an additional 8MHz of nationwide spectrum in the

1.4 GHz frequency

§The exchange of new TerreStar Preferred shares for spectrum to be
contributed by Harbinger Capital Partners.

§Multiple options with EchoStar:

1) Lease

2) Joint Venture

3) Purchase

Spectrum

Contribution
Transactions

§Sold 14.4 million shares of SKYT for $76 million

§TerreStar continues to own approximately 30 million shares of SkyTerra

SkyTerra
Stock Sale

Overview of Recent Capital Raise

§$50 million of 15% Senior Secured PIK Notes due February 2014

§$150 million of 6.5% Senior Exchangeable PIK Notes due June 2014

§$100 million Purchase Money Credit Agreement to finance TerreStar-2 due
February 2013

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Balance Sheet Summary

 

($ millions)
	September 30, 2007		As Adjusted(1)
Cash and Cash Equivalents(1)	$	198	$	465
Escrow for TerreStar-1 construction		3		3
Total Cash	$	201	$	468
Senior Secured PIK Notes due 2014(2)		548		548
New Sr. Sec. PIK Notes due 2014		-		50
Senior Exchangeable Notes due 2014		-		150
Purchase Money Credit Facility(3)		-		-
Total Debt	$	548	$	748
Preferred Equity(4)		409		409
Common Equity		254		254
Total Stockholders' Equity	$	663	$	663
Total Capitalization	$	1,211	$	1,411
(1) Net proceeds of $191 million from capital raise and $76 million from sale of SKYT stock
(2) Excludes accrued PIK interest of approximately $41 million to March 31, 2008
(3) $100 million credit facility, full amount remains available
(4) Does not include shares expected to be issued for 1.4 GHz spectrum acquisition

$ millions	Oct – Sept 2008
Capital Expenditure Contractual Commitments:	$	323
-Satellites – TerreStar 1 and 2
-Satellite Launch
-ATC Network
-Handset/Chipset Development
Launch Insurance		35-50
Operating Expense (3Q Annualized)		125
Total	$	483-$498

Operating and Capital Expenses

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ØParent liquidity from SKYT shares

ØVendor financing capacity

ØPotential equity/debt offering

Near-Term

Capital

Resources

Network Buildout

ØEstimated $40-60M per market for buildout of ATC network

ØInitial strategy is to launch in several key markets

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AWS-Auction 66

Broadband PCS

MSS

AWS-Auction 66

MSS

Mobile Wireless Spectrum Frequencies (MHz)

§TSN’s spectrum is equivalent in nature to AWS and PCS spectrum

§The satellite network and universal chipsetTM are incremental
components to the MSS/ATC architecture

Attractive Spectrum Position

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Recent Spectrum Transactions ($/MHz POP)

700 MHz Auction 73 Transactions1 ($/MHz POP)

EA

12MHz2

CMA

12MHz2

REAG

22MHz3

REAG

6MHz2

Block

Type

Amt.

AWS Auction 66 Transactions ($/MHz POP)

EA

20MHz

CMA

20MHz

EA

10MHz

REAG

10MHz

REAG

10MHz

REAG

20MHz

Source: Wall Street Research, FCC Releases

1 Does not include D Block which remains below the reserve price set by the FCC

2 A, B, and E Block winning bidders are required to build out 35% of geographic area covered in 4 years, and 70% in 10 years

3C Block winning bidder are required to build out 40% of covered population in 4 years, and 75% in 10 years

4 Based on FCC determined value of $4.8 billion.Assumes 290 million US POPs

POPs (M):46.083.0290.073.0206.61,705196.0285.6

Total value
($M):$750$1,400$4,800$3,000$2,04$13,879$2,500$19,155

4

1

Substantial Underlying Spectrum Value

21

1 Based on IDC Research, March 2006

20+ MHz of
Spectrum

§ATC eligible S-band spectrum in the 2 GHz range in U.S. and Canada

§Adjacent to PCS spectrum used by national wireless carriers

§Significant underlying value based on recent FCC 700MHz Auction

§Newly announced nationwide spectrum at 1.4 GHz

Strong
Strategic
Relationships

§Cooperative Research and Development Agreement with U.S.
federal government in place

§Vendor relationships for construction and launch of satellite, buildout of
ground segment, and development of universal chipsetTM architecture

Advanced
Network &
Technology

§All IP-enabled next generation network

§Seamlessly integrated satellite and terrestrial system

§Prioritization of service capability in case of disaster or emergencies

§Universal chipsetTM architecture

§High demand for wireless services - $163B¹ revenue opportunity by 2010

§Governments’ heightened focus on public safety and Homeland Security

§Enterprises expanding wireless applications to improve operations

Large Market
Opportunity

Scalable
Business Model

§Wholesale / “carrier’s carrier” operating strategy

§Buildout in several key markets based on customer demand

TerreStar Networks Key Highlights