1425006537 Dear Mr. Susman: ALAN W KORNSERG DANIEL J KRA.MER PX1P4tNtriap*Iiiiir JOHN E. LA DANIEL J. LEFF Cu- wint4vgct MARCO v.14AS L tici EDWIN S MAYNARD OAVIIItiP p W TOOT S ME JOH JOHN NATHAN 56A,TACSi J larLARAoy ALEX YOUNG K. OH 'RAD ft OKUN MARC E PERLMUTTER MARK F PONERANTZ ZIATIFID Ir