Exhibit 99.2

This Statement on Form 3 is filed by:  (i) AP VIII CH2 Holdings, L.P., (ii) Apollo Advisors VIII, L.P., (iii) Apollo Capital Management VIII, LLC, (iv) APH Holdings, L.P., and (v) Apollo Principal Holdings III GP, Ltd.

Name of Designated Filer:  Apollo Management Holdings GP, LLC

Date of Event Requiring Statement:  June 24, 2015

Issuer Name and Ticker or Trading Symbol:  CH2M HILL Companies, Ltd. [NONE]

AP VIII CH2 HOLDINGS, L.P.
By:	Apollo Advisors VIII, L.P.
	its managing general partner
	By:	Apollo Capital Management VIII, LLC
		its general partner
		By:			/s/ Laurie D. Medley
		Name:			Laurie D. Medley
		Title:			Vice President
APOLLO ADVISORS VIII, L.P.
By:	Apollo Capital Management VIII, LLC
	its general partner
	By:		/s/ Laurie D. Medley
	Name:		Laurie D. Medley
	Title:		Vice President
APOLLO CAPITAL MANAGEMENT VIII, LLC
By:	/s/ Laurie D. Medley
Name:	Laurie D. Medley
Title:	Vice President
APH HOLDINGS, L.P.
By:	Apollo Principal Holdings III GP, Ltd.
	its general partner
	By:			/s/ Laurie D. Medley
	Name:			Laurie D. Medley
	Title:			Vice President
APOLLO PRINCIPAL HOLDINGS III GP, LTD.
By:	/s/ Laurie D. Medley
Name:	Laurie D. Medley
Title:	Vice President