ECP ControlCo, LLC

Q3 2017 13F Holdings Report, Stock Holdings

Signature - Title: Christopher Leininger - General Counsel
Location: Summit, NJ
Holdings as of: September 30, 2017
Value $: $487M
Num holdings: 3
Date filed: 11/14/2017, 02:43 PM
Description: All US holdings of this investor are reported in this report. The Form 13F report requires disclosure of the manager that files the report, the name and class of the security, the CUSIP code, the number of shares as of the end of the calendar quarter for which the report is filed, and the total market value. The market value column should not be used as a substitute for Assets Under Management (AUM), as it does not include cash held in accounts.
Next filing: Q4 2017 - Feb 14, 2018

Sym	Weight	Trade Impact	Company	Class	Shares Change	Activity	Value Change $	Value $	* Price $	Shares	Principal

Compare Q3 2017 to

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.

Person Signing this Report on Behalf of Reporting Manager:

Name	Title	City, State	Date
Andrew Singer	Managing Member	San Diego, California	11/14/2017

Other Included Managers (2):

Num	Name	File Number
1	Energy Capital Partners GP III, LP
2	ENERGY CAPITAL PARTNERS III, LLC