On the heels of continued Russian box office strength, IMAX Corporation /quotes/zigman/3968820/quotes/nls/imax IMAX +0.52% /quotes/zigman/12384 CA:IMX +0.64% today announced that it has signed agreements with two new exhibitor partners in Russia, Kinomax and MORI Cinema, to open a combined total of four new digital IMAX theatres within new multiplexes. Russia and the CIS comprise IMAX’s third-largest market, after the United States and China. This announcement brings the total number of IMAX theatres scheduled to be operating in the region to 45 by 2014.