Shareholder Information

Credit Rating

Gibson Energy Inc. has been assigned long-term corporate credit ratings of:

BBB (low) (Stable) DBRS
BBB- (Stable) Standard and Poor’s

Transfer Agent

Computershare Trust Company of Canada serves as transfer agent and registrar for the Gibson Energy common shares in Canada. Questions relating to share certificates, dividends and estate transfers should be directed to:

Computershare Investor Services

100 University Avenue,
9th Floor, North Tower
Toronto, Ontario M5J 2Y1
T: 1-877-982-8760
F: 1-888-453-0330

#600, 530-8th Avenue SW
Calgary, Alberta T2P 3S8
T: 1-800-564-6253
F: 1-403-267-6529

IRS Forms for US Shareholders

Form 8937 – 2011 Dividends

Form 8937 – 2011 Reorg