Alliance Atlantis TSX Ticker Symbol to Change

Alliance Atlantis TSX Ticker Symbol to Change

www.allianceatlantis.com TSX: AAC.A, AAC.NV.B

TORONTO, May 8 /PRNewswire-FirstCall/ -- Alliance Atlantis Communications Inc. (the "Company") today announced that effective Wednesday, May 10, 2006, one of its ticker symbols on the Toronto Stock Exchange ("TSX") will be modified as part of a broader symbol change initiative previously announced by the TSX.

The ticker symbol "AAC.B" will replace the ticker symbol "AAC.NV.B" currently used on the TSX for the Company's Class B Non-Voting shares.

The ticker symbol "AAC.A" for the Company's Class A Voting Shares on the TSX, will not be impacted by the TSX's changes.

About Alliance Atlantis Communications

Alliance Atlantis offers Canadians 13 well-branded specialty channels boasting targeted, high-quality programming. The Company also co-produces and distributes the hit CSI franchise and indirectly holds a 51% limited partnership interest in Motion Picture Distribution LP, a leading distributor of motion pictures in Canada, with a growing presence in motion picture distribution in the United Kingdom and Spain. The Company's common shares are listed on the Toronto Stock Exchange - trading symbols AAC.A and AAC.NV.B. The Company's website is www.allianceatlantis.com.

Source: Alliance Atlantis Communications Inc.

CONTACT: Andrew Akman, Vice President, Corporate Development & Investor
Relations, Tel: (416) 966-7701, andrew.akman@allianceatlantis.com; Jennifer
Bell, Vice President, Corporate & Public Affairs, Tel: (416) 934-7854,
jennifer.bell@allianceatlantis.com

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