From: les Staley Sent: Thursday, August 13, 2015 7:44 PM To: Jeffrey Epstein Subject: FW: Warmest congratulations to Dr. Alexa Staley on her successful defense Alexa and I know you much of a role you had in arriving at this very big day. The counsel you have given Alexa over the years has been a gift of great friendship. Thanks my friend. From: Alexa Nitzan Staley Sent: Thursday, August 13, 2015 3:22 PM To: les Staley; Mom; Sophia Staley Subject: Fwd: Warmest congratulations to Dr. Alexa Staley on her successful defense Alexa Begin forwarded message: From: Randy Date: August 13, 2015 at 2:49:33 PM EDT To: Subject: Warmest congratulations to Dr. Alexa Staley on her successful defense Dear Colleagues, Warmest congratulations to *Alexa Staley* on the successful defense of her dissertation "Locking the advanced LIGO gravitational wave detector: with a focus on the arm length stabilization technique." Dissertation Sponsor and Advisor: Professor Szabi Marka August 13, 2015 EFTA_R1_01354718 EFTA02362154

Randy Torres Senior Administrative Manager Department of Physics Columbia University 2 EFTA_R1_01354719 EFTA02362155