TMX Group Limited has closed a Canadian private placement offering of $1.1 billion aggregate principal amount of senior unsecured debentures to accredited investors in Canada comprising:

(i) C$350 million aggregate principal amount of 4.678% Series G Senior Unsecured Debentures due August 16, 2029, approximately 4.9 times oversubscribed;

(ii) C$300 million aggregate principal amount of 4.836% Series H Senior Unsecured Debentures due February 18, 2032, approximately 4.3 times oversubscribed; and

(iii) C$450 million aggregate principal amount of 4.970% Series I Senior Unsecured Debentures due February 16, 2034, approximately 5.8 times oversubscribed.

The debentures are direct senior unsecured and unsubordinated obligations of TMX Group and rank pari passu with all other senior unsecured and unsubordinated indebtedness of TMX Group.

The offering was made exclusively to persons resident in a Canadian province through a syndicate of agents led by BMO Capital Markets., National Bank Financial Inc. and TD Securities Inc. and including Barclays Capital Canada Inc., Canaccord Genuity Corp., Casgrain & Company Limited, CIBC World Markets Inc., Citigroup Global Markets Canada Inc., Laurentian Bank Securities Inc., RBC Dominion Securities Inc., and Scotia Capital Inc. on a private placement basis in reliance upon exemptions from the prospectus requirements under applicable securities laws in those provinces.