Exhibit 99.1

Sun Life Financial Inc. redeems Series 2008-1 Subordinated Unsecured 5.59% Fixed/Floating Debentures

TORONTO, Jan. 30, 2018 /CNW/ - Sun Life Financial Inc. (TSX: SLF) (NYSE: SLF) announced today that it completed the redemption of all of its outstanding $400 million principal amount of Series 2008-1 Subordinated Unsecured 5.59% Fixed/Floating Debentures.

About Sun Life Financial
Sun Life Financial is a leading international financial services organization providing a diverse range of insurance, wealth and asset management solutions to individuals and corporate Clients. Sun Life Financial has operations in a number of markets worldwide, including Canada, the United States, the United Kingdom, Ireland, Hong Kong, the Philippines, Japan, Indonesia, India, China, Australia, Singapore, Vietnam, Malaysia and Bermuda. As of September 30, 2017, Sun Life Financial had total assets under management of $934 billion. For more information please visit www.sunlife.com.

Sun Life Financial Inc. trades on the Toronto (TSX), New York (NYSE) and Philippine (PSE) stock exchanges under the ticker symbol SLF.

Note to Editors: All figures in Canadian dollars.

Media Relations Contact:
Irene Poon
Manager, Media & PR
Corporate Communications
T. 416-256-2596
Irene.poon@sunlife.com

Investor Relations Contact:
Greg Dilworth
Vice-President
Investor Relations
T. 416-979-6230
investor.relations@sunlife.com

SOURCE Sun Life Financial Inc.

View original content: http://www.newswire.ca/en/releases/archive/January2018/30/c6351.html

%CIK: 0001097362

CO: Sun Life Financial Inc.

CNW 13:06e 30-JAN-18