w York 10019 (212) 515-3200 (Address, including zip code, and telephone number, including area code, of registrant's principal executive offices) John J. Suydam, Esq. Chief Legal Officer and Chief Compliance Officer Apollo Global Management, LLC 9 West 57 th Street, 43 rd Floor New York, New York 10019

Management 9 W 57th Street NY NY 10019 From: Joyce Seko ( [mailto Sent: Thursday, October 31, 2013 2:24 PM To: Eileen Alexanderson; Leon Black; John J. Suydam Cc: Melanie Spinella Subject: RE: Knowledge Universe Education L.P. - LBF Holdings, LLC The Transfer Agent has notified us that she has not receiv

y: Name: Joshua J. Harris Title: ManagerSole Member BRH HOLDINGS, M. By: BRH Holdings GP, LTD. its General Partner By: //John-J-,Saydam Name: John J. Suydam Title: Vice President I Doe+ARS.H0A0389.4 [Agreement Among Principals] EFTA00808262 AP PROFESSIONAL HOLDINGS, ■. By: BRH Holdings GP, LTD.

TVGS,11: Assignor: LBF HOLDINGS, LLC At/ ame: Leon D. Black By: Title: Manager Consented to by: APOLLO MANAGEMENT HOLDINGS GP, LLC By: Name: John J. Suydam Title: Vice President Black Family Partners Assignment and Assumption Agreement Signature Page EFTA00598521 WITH RESPECT TO APOLLO MANAGEMENT

the parties hereto have executed this Agreement as a Deed as of the day and year first above written. General Partner: BRH HOLDINGS GP, Ltd. By. John J. Suydam Vice President Limited Partners: BLACK FAMILY PARTNERS, L.P. By: Black Family GP, LLC its General Partner Byri-J 7 1, 51/ Leon D. Black Manag

o receive such notice: If to APO Corp., to: do Apollo Global Management, LLC 9 West 57th Street, 43nd Floor New York, New York 10019 Attention: John J. Suydam, Esq. Electronic Mail: [email protected] (4)-(244)--5g--3200 (F) (212) 515 3251 Attention: Chief Legal Officer with a copy to: NYI:1694391.1

k Manager MJR FOUNDATION LLC By: Name: Marc J. Rowan Tide: Manager BRH HOLDINGS, L.P. By BRH Holdings GP, LTD. its General Partner By Name: John J. Suydam Title: Vice President [Agreement Among Principals] EFTA00623332 IN WITNESS WHEREOF, the parties have caused this Agreement to be duly executed

rris Title: Sole Member [Agreement Among Principals] EFTA00583370 BRH HOLDINGS, L.P. By: BRH Holdings GP, LTD. its General Partner By: Name: John J. Suydam Title: Vice President [Agreement Among Principals] EFTA00583371 AP PROFESSIONAL HOLDINGS, L.P. By: BRH Holdings GP, LTD. its General Partner

Sent: Monday, August 1, 2016 8:32 PM To: Jeffrey E. Subject: As per your request From: Wendy Dulman Sent: Tuesday, April 19, 2016 1:06 PM To: John J. Suydam Cc: Brad Wechsler Wendy Dulman Subject: Proposed Clarifications to the Agreement Among Principals ("AAP") Hi John. Ada Clapp As discussed earli

f any kind whatsoever other than as are expressly set out in this letter agreement or in the plans and documents referenced herein. Sincerely. /s/ John J. Suydam John J. Suydam Vice President Agreed and Accepted: /s/ Joseph P. Azrack Joseph P. Azrack Date: June 2. 2008 EFTA00623693 Exhibit 10.43 SEPA