Blue Water Acquisition Corp. IV – Material Contracts Watch

from 8-K 2 pages This Letter Agreement by and Between Blue Water Acquisition Corp. IV (The “Company”) and Blue Water Acquisition IV LLC, Our Sponsor, (The “Services Provider” or “Sponsor”), Dated as of the Date Hereof, Will Confirm Our Agreement That, Commencing on the Date the Securities of the Company Are First Listed on the New York Stock Exchange (The “Listing Date”), Pursuant to a Registration Statement on Form S-1 and Prospectus Filed With the U.S. Securities and Exchange Commission (The “Registration Statement”) and Continuing Until the Earlier of the Consummation by the Company of an Initial Business Combination and the Company’s Liquidation (In Each Case as Described in the Registration Statement) (Such Earlier Date Hereinafter Referred to as the “Termination Date”)

from 8-K 20 pages Indemnity Agreement

from 8-K 9 pages Private Placement Units Purchase Agreement

from 8-K 6 pages Private Placement Units Purchase Agreement

from 8-K 18 pages Registration Rights Agreement

from 8-K 13 pages Investment Management Trust Agreement

from 8-K 8 pages March 19, 2026 Blue Water Acquisition Corp. IV 15 E. Putnam Avenue, Suite 363 Greenwich, Ct 06830 Re: Initial Public Offering Ladies and Gentlemen

from S-1/A 9 pages Private Placement Units Purchase Agreement

from S-1/A 6 pages Private Placement Units Purchase Agreement

from S-1/A 18 pages Registration Rights Agreement

from S-1/A 13 pages Investment Management Trust Agreement

from S-1/A 8 pages Re: Initial Public Offering Ladies and Gentlemen

from S-1/A 9 pages Private Placement Units Purchase Agreement

from S-1/A 6 pages Private Placement Units Purchase Agreement

from S-1/A 18 pages Registration Rights Agreement

from S-1/A 13 pages Investment Management Trust Agreement

from S-1/A 8 pages Re: Initial Public Offering Ladies and Gentlemen

from S-1 9 pages Blue Water Acquisition IV LLC 15 E. Putnam Avenue, Suite 363 Greenwich, Ct 06830 Re: Securities Subscription Agreement 1. Purchase of Securities

from S-1 3 pages Promissory Note

from S-1 2 pages This Letter Agreement by and Between Blue Water Acquisition Corp. IV (The “Company”) and Blue Water Acquisition IV LLC, Our Sponsor, (The “Services Provider” or “Sponsor”), Dated as of the Date Hereof, Will Confirm Our Agreement That, Commencing on the Date the Securities of the Company Are First Listed on the New York Stock Exchange (The “Listing Date”), Pursuant to a Registration Statement on Form S-1 and Prospectus Filed With the U.S. Securities and Exchange Commission (The “Registration Statement”) and Continuing Until the Earlier of the Consummation by the Company of an Initial Business Combination and the Company’s Liquidation (In Each Case as Described in the Registration Statement) (Such Earlier Date Hereinafter Referred to as the “Termination Date”)