6-K

UNITED STATES

SECURITIES ANDEXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2022

Commission File Number: 001-39240

TELESAT CORPORATION

(Translation of registrant’s name intoEnglish)

160 Elgin Street, Suite 2100, Ottawa, Ontario,Canada K2P 2P7

(Address of Principal Executive Office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F ☒ Form 40-F ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

Yes ☐ No ☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

Yes ☐ No ☒

The following information is furnished to the U.S. Securities and Exchange Commission as part of this report on Form 6-K:

1

SIGNATURE

Pursuant to the requirements 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.

2

Exhibit 99.1

Telesat Announces Results of 2022 Annual Meetingof Shareholders

OTTAWA, CANADA – June 2, 2022 –Telesat (NASDAQ and TSX: TSAT), one of the world’s largest and most innovative satellite operators, announced the voting results from its annual meeting of shareholders held yesterday virtually via live audio webcast.

Shareholders of Telesat voted in favour of all items of business, including the election of each of the director nominees as follows:

Final voting results on all matters voted on at the meeting will be filed on SEDAR at www.sedar.com and on EDGAR at www.sec.gov

About Telesat

Backed by a legacy of engineering excellence, reliability and industry-leading customer service, Telesat (NASDAQ and TSX: TSAT) is one of the largest and most successful global satellite operators. Telesat works collaboratively with its customers to deliver critical connectivity solutions that tackle the world’s most complex communications challenges, providing powerful advantages that improve their operations and drive profitable growth.

Continuously innovating to meet the connectivity demands of the future, Telesat Lightspeed, the company’s Low Earth Orbit (LEO) satellite network, will be the first and only LEO network optimized to meet the rigorous requirements of telecom, government, maritime and aeronautical customers. Operating under its international priority Ka-band spectrum rights, Telesat Lightspeed will redefine global satellite connectivity with ubiquitous, affordable, high-capacity links with fibre-like speeds. For updates on Telesat, follow us on Twitter, LinkedIn, or visit www.telesat.com.

Contacts:

Investor Relations

Exhibit 99.2

ANNUAL MEETING OF SHAREHOLDERSofTELESAT CORPORATION(the “Company”)June 1, 2022

REPORTOF VOTING RESULTS

National Instrument 51-102 – Continuous Disclosure Obligations

Section 11.3

Matters Voted Upon