13D Filing: RRJ Capital Ltd and FTS International Inc.

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Senja ownership.Senja owned 11,895,935 Shares immediately prior to the IPO. During the IPO, Senja purchased an additional 280,000
Shares. Senja thus owns 12,175,935 Shares, or 11.4% of the outstanding Shares.

RRJ Master wholly owns Senja. RRJ Capitals board of directors,
consisting of Ong Tiong Sin, Ong Tiong Boon, Eddie Teh Ewe Guan, Rizal Bin Ishak and Kim Young So, exercises voting and investment power over these Shares owned by Senja.

Hampton ownership.Hampton owned 884,291 Shares immediately prior to the IPO. During the IPO, Hampton purchased an additional
280,000 Shares. Hampton thus owns 1,164,291 Shares, or 1.1% of the outstanding Shares.

Mr. Ong wholly owns and is the sole director of Hampton. Mr. Ong
exercises voting and investment power over these Shares owned by Hampton.

Mr. Ong ownership.Mr. Ong is the founder and Chief
Executive Officer of RRJ Capital Limited, and disclaims beneficial ownership of any shares owned directly or indirectly by Senja, except to the extent of his pecuniary interest therein. As such, the shares attributed to Mr. Ong represent a sum of
the shares beneficially owned by Senja and Hampton.

Joint Filing.The Reporting Persons have entered into a Joint Filing
Agreement, dated as of the date of this Statement, a copy of which is filed with this Statement as Exhibit 1 (which is hereby incorporated by reference) pursuant to which the Reporting Persons have agreed to file this Statement jointly in accordance
with the provisions of Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended (the Act). Information with respect to each Reporting Person is given solely by such Reporting Person, and no Reporting Person assumes
responsibility for the accuracy or completeness of the information furnished by another Reporting Person.

The (i) name, (ii) position, (iii) principal
occupation or employment, (iv) name, principal business and address of any corporation in which employment is conducted, and (v) citizenship of each director and executive officer of each of the Reporting Persons are set forth in Schedule A attached
hereto.

No Reporting Person, nor, to the best of any Reporting Persons knowledge, any director or executive of the Reporting Persons has, during
the past five years, (i) been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors) or (ii) been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such
proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or a finding of any violation with respect to such laws. To the
best of the Reporting Persons knowledge, except as set forth in this Statement, none of the directors or executive officers of the Reporting Persons own any Shares of the Issuer.

Item 3. Source and Amount of Funds or Other Consideration.

The funds used by Senja to acquire the interest in FTI LLC described in Item 2 above were borrowed on an interest free basis from RRJ Master, which funds were
in turn drawn from the capital of RRJ Master. The funds used by Hampton to acquire the interest in FTI LLC described in Item 2 above were drawn from its own capital and income.

During the IPO, each of Senja and Hampton acquired an additional 280,000 Shares each. The funds used by Senja to acquire these additional shares were borrowed
on an interest free basis from Greenwich Asset Holding Ltd, a limited company incorporated under the laws of British Virgin Islands and wholly owned by RRJ Master. The funds used by Hampton to acquire these additional shares were drawn from a
short-term loan from UBS AG, Singapore branch.

Item 4. Purpose of Transaction.

Senja and Hampton acquired Shares prior to the IPO and acquired additional Shares during the IPO as described above.

The Reporting Persons acquired the Shares to which this Statement relates for investment purposes in the ordinary course of business, and not with the purpose
nor with the effect of changing or influencing the control or management of the Issuer, although the investors rights agreement grants Senja and Hampton the right to collectively nominate one director so long as they beneficially own,
together, at least 5% of the Shares.

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