 Stock Market Symbols GIB.A TSXGIB NYSE cgi.comnewsroom MONTRÉAL, July 13, 2021 PRNewswire - CGI TSX: GIB.A NYSE: GIB signed a full managed IT services contract with the international life sciences firm Nexelis. Through the agreement, Nexelis will leverage CGIs global scale, best practices in IT modernization, and approach to accelerate business transformation. 