Alberta Investment Management Corporation, Caisse de Depot et Placement du Quebec and Ontario Teachers’ Pension Plan Board Each Agree to Sell 1,800,000 Common Shares of TMX Group Limited

Alberta Investment Management Corporation ("AIMCo"), on behalf of certain of its clients, Caisse de dépôt et placement du Québec ("CDPQ") and Ontario Teachers' Pension Plan Board ("OTPPB") announced today that they have agreed to sell 1,800,000 common shares ("Common Shares") each of TMX Group Limited ("TMX") representing an aggregate of approximately 9.9% of the issued and outstanding Common Shares of TMX as of August 2, 2016. The Common Shares are being sold on an underwritten block trade basis at a gross price of $57.70 per share, through a syndicate of underwriters led by TD Securities Inc.

After giving effect to the trade, each of AIMCo, CDPQ and OTPPB will continue to hold approximately 5% of the issued and outstanding Common Shares of TMX and each will continue to have a nominee on the board of directors of the TMX.

This press release is not an offer of securities for sale in the United States. The Common Shares have not been and will not be registered under the U.S. Securities Act of 1933, as amended (the "U.S. Securities Act") or any state securities laws and may not be offered or sold in the United States unless registered under the U.S. Securities Act and applicable state securities laws or an exemption from such registration is available.

About Alberta Investment Management Corporation (AIMCo)

AIMCo is one of Canada's largest and most diversified institutional investment managers with more than $90 billion of assets under management. AIMCo was established on January 1, 2008 with a mandate to provide superior long-term investment results for its clients. AIMCo operates at arms-length from the Government of Alberta and invests globally on behalf of 31 pension, endowment and government funds in the Province of Alberta. For more information on AIMCo please visit www.aimco.alberta.ca.

About Caisse de dépôt et placement du Québec

Caisse de dépôt et placement du Québec (la Caisse) is a long-term institutional investor that manages funds primarily for public and parapublic pension and insurance plans. As at June 30, 2016, it held $254.9 billion in net assets. As one of Canada's leading institutional fund managers, la Caisse invests globally in major financial markets, private equity, infrastructure and real estate. For more information, visit cdpq.com, follow us on Twitter @LaCDPQ or consult our Facebook or LinkedIn pages.

About Ontario Teachers' Pension Plan Board (OTTPB)

OTTPB is Canada's largest single-profession pension plan, with $171.4 billion in net assets at December 31, 2015. It holds a diverse global portfolio of assets, 80% of which is managed in-house, and has earned an annualized rate of return of 10.3% since the plan's founding in 1990. Ontario Teachers' is an independent organization headquartered in Toronto. The defined-benefit plan, which is fully funded, invests and administers the pensions of the province of Ontario's 316,000 active and retired teachers. For more information, visit otpp.com and follow us on Twitter @OtppInfo.

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