Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F4,F5,F6	Aug 29, 2018	P	10,074	$15.98	A	4,968,239	I	See Footnotes
Common Stock^F2,F4,F5,F6	Aug 30, 2018	P	17,883	$15.99	A	4,986,122	I	See Footnotes
Common Stock^F3,F4,F5,F6	Aug 31, 2018	P	14,132	$15.93	A	5,000,254	I	See Footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1The price reported in Column 4 is a weighted average price. These shares of common stock ("Common Stock") of RigNet, Inc. (the "Issuer") were purchased in multiple transactions ranging from $15.90 to $16.00, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.
F2The price reported in Column 4 is a weighted average price. These shares of Common Stock of the Issuer were purchased in multiple transactions ranging from $15.90 to $16.00, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.
F3The price reported in Column 4 is a weighted average price. These shares of Common Stock of the Issuer were purchased in multiple transactions ranging from $15.65 to $16.00, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth above.
F4These securities are held directly by Digital Oilfield Investments LP. Digital Oilfield Investments GP Limited is the general partner of Digital Oilfield Investments LP. KKR European Fund III, Limited Partnership is the sole shareholder of Digital Oilfield Investments GP Limited. KKR Associates Europe III, Limited Partnership is the general partner of KKR European Fund III, Limited Partnership. KKR Europe III Limited is the general partner of KKR Associates Europe III, Limited Partnership. KKR Fund Holdings L.P. is the sole shareholder of KKR Europe III Limited. KKR Fund Holdings GP Limited is a general partner of KKR Fund Holdings L.P. KKR Group Holdings Corp. is a general partner of KKR Fund Holdings L.P. and the sole shareholder of KKR Fund Holdings GP Limited. KKR & Co. Inc. is the sole shareholder of KKR Group Holdings Corp. KKR Management LLC is the controlling shareholder of KKR & Co. Inc.
F5Messrs. Henry R. Kravis and George R. Roberts are the designated members of KKR Management LLC.
F6Each of the Reporting Persons may be deemed to be the beneficial owner of all or a portion of the securities reported herein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein, and the Reporting Persons disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Remarks

Because no more than 10 reporting persons can file any one Form 4 through the Securities and Exchange Commission's EDGAR system, certain affiliates of the Reporting Persons have filed a separate Form 4.