May 19 (Reuters) - Canada Pension Plan Investment Board :
* CPPIB ACQUIRES PARTIAL ROYALTY INTEREST IN KEYTRUDA® (PEMBROLIZUMAB) FROM LIFEARC
* CANADA PENSION PLAN INVESTMENT BOARD'S UNIT ACQUIRED PORTION OF LIFEARC'S ROYALTY INTERESTS ON WORLDWIDE SALES OF KEYTRUDA FOR ABOUT $1.3 BILLION