Sun Life Financial Inc. announced that it intends to issue in Canada $1 billion principal amount of Series 2025-2 Subordinated Unsecured 4.56% Fixed/Floating Debentures due 2040 (the "Debentures"). The offering is expected to close on December 3, 2025. The net proceeds will be used for general corporate purposes, which may include supporting the acquisition of the Company's remaining interests in the SLC Management affiliates BentallGreenOak and Crescent Capital Group LP, investments in subsidiaries, repayment of indebtedness and other strategic investments.

Details of the offering will be set out in a pricing supplement that the Company intends to issue pursuant to its short form base shelf prospectus and its prospectus supplement, each dated March 17, 2025, all of which are or will be available on the SEDAR+ profile for Sun Life Financial Inc. at www.sedarplus.ca. The Debentures will be sold on a reasonable best efforts agency basis by a syndicate led by RBC Capital Markets, BMO Capital Markets and Scotiabank, as co-leads. The proceeds from this offering are expected to qualify for Tier 2 capital.

The Debentures have not been and will not be registered under the United States Securities Act of 1933, as amended, and may not be offered, sold or delivered, directly or indirectly, within the United States of America and its territories and possessions or to, or for the account or benefit of, United States persons. This release does not constitute an offer to sell or a solicitation to buy such securities in the United States.