Sec Form 3 Filing - IBK Securities Co., Ltd. @ NUSCALE POWER Corp - 2022-05-02

FORM 3 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person IBK Securities Co., Ltd. 2. Issuer Name and Ticker or Trading Symbol NUSCALE POWER Corp [ SMR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director X __ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 11 GUKJEGEUMYUNG-RO 6-GIL,, YEONGDEUNGPO-GU 3. Date of Earliest Transaction (MM/DD/YY) 05/02/2022 (Street) SEOUL, M507330 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Class A Common Stock 283,860 D( 1 )( 6 )

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Class B Common Stock ( 2 ) ( 2 ) ( 2 ) Class A Common Stock 4,241,765 I( 3 ) See footnote( 3 )( 6 ) Class B Common Stock ( 2 ) ( 2 ) ( 2 ) Class A Common Stock 372,420 I( 4 ) See footnote( 4 )( 6 ) Class B Common Stock ( 2 ) ( 2 ) ( 2 ) Class A Common Stock 2,138,705 I( 5 ) See footnote( 5 )( 6 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other IBK Securities Co., Ltd. 11 GUKJEGEUMYUNG-RO 6-GIL, YEONGDEUNGPO-GU SEOUL, M507330 X Signatures IBK SECURITIES CO., LTD By: /s/ Kim, Duck Kyun Name: Kim, Duck Kyun Title: Director, Head of Private Equity Division 06/03/2022 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Consists of 283,860 shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), of NuScale Power Corporation (the "Issuer") directly held by IBK Securities Co., Ltd. ("IBKS"). ( 2 )Each share of Class B common stock, par value $0.0001 per share ("Class B Common Stock"), of the Issuer, when paired with one Class B Unit of NuScale Power, LLC, may be exchanged at the holder's election for one share of Class A Common Stock. ( 3 )Consists of 4,241,765 shares of Class B Common Stock directly held by Next Tech 1 New Technology Investment Fund ("Next Tech 1"). IBKS is, together with BH Investment and Liberty Ltd. ("BHI"), a co-general partner of Next Tech 1. IBKS disclaims any beneficial ownership of the securities held by NextTech 1, other than to the extent of any pecuniary interest it may have therein, directly or indirectly. ( 4 )Consists of 372,420 shares of Class B Common Stock directly held by Next Tech 2 New Technology Investment Fund ("Next Tech 2"). IBKS is, together with BHI, a co-general partner of Next Tech 2. IBKS disclaims any beneficial ownership of the securities held by NextTech 2, other than to the extent of any pecuniary interest it may have therein, directly or indirectly. ( 5 )Consists of 2,138,705 shares of Class B Common Stock directly held by NuScale Korea Holdings LLC ("NuScale Korea"). IBKS is the sole general partner of IBKS SME Accelerating Private Equity Fund, which is, together with each of YJA SME M&A Private Equity Fund and Whale No.1 SME M&A Private Equity Fund, a member of NuScale Korea Ltd., which is the sole controlling person of NuScale Korea, with the indirect right to vote or dispose of the shares of Class B Common Stock held by NuScale Korea. IBKS disclaims any beneficial ownership of the securities held by NuScale Korea, other than to the extent of any pecuniary interest it may have therein, directly or indirectly. ( 6 )Industrial Bank of Korea ("IBK"), as the controlling person of IBKS, and the Republic of Korea Ministry of Economy and Finance ("MOEF"), as the controlling person of IBK, are deemed to be indirect beneficial owners of the shares of Class A Common Stock owned by IBKS, and the shares of Class B Common Stock owned by Next Tech 1, Next Tech 2 and NuScale Korea. IBK and MOEF disclaim any beneficial ownership of the securities held by IBKS, Next Tech 1, Next Tech 2, and NuScale Korea, other than to the extent of any pecuniary interest they may have therein, directly or indirectly.

Remarks: See Exhibit 24.1 - Power of Attorney

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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