May 16, 2017 WebMD Health Corp.

Exhibit (d)(5)

May 16, 2017

WebMD Health Corp.

000 Xxxxxx Xxxxxx

0xx Xxxxx

Xxx Xxxx, XX 00000

Kohlberg Kravis Xxxxxxx & Co. L.P.

0 Xxxx 00xx Xxxxxx, 00xx Xxxxx

Xxx Xxxx, XX 00000

Ladies and Gentlemen:

Reference is made to the letter agreement, dated as of April 6, 2017 (the “Agreement”), by and between WebMD Health Corp. and Kohlberg Kravis Xxxxxxx & Co. L.P. (“KKR”), a copy of which is attached hereto. Capitalized terms that are used but not otherwise defined herein shall have the meaning ascribed to such terms in the Agreement.

The undersigned acknowledges that it has received Evaluation Material or Transaction Information and, in consideration therefor, agrees to be bound by the provisions of the Agreement applicable to KKR’s “Representatives” as though the undersigned were a party thereto.

Very truly yours,

Internet Brands, Inc.

By:	/s/ B. Xxxx Xxxxx
Name:	B. Xxxx Xxxxx
Title:	Exec. VP Corporate Development

Acknowledged

WebMD Health Corp.

By:	/s/ Xxxxxxx X. Xxxxxxx
Name:	Xxxxxxx X. Xxxxxxx
Title:	Executive Vice President