Sachem Acquisition Corp. Watch

from S-1 9 pages Private Placement Warrant Purchase Agreement

from S-1 2 pages Sachem Sponsor, LLC 698 Main Street Branford, Connecticut 06405 May 13, 2021

from S-1 9 pages This Agreement (The “Agreement”) Is Entered Into on March 24, 2021 by and Between Sachem Sponsor, LLC, a New York Limited Liability Company (The “Subscriber” or “You”), and Sachem Acquisition Corp., a Maryland Corporation (The “Company”, “We” or “US”). Pursuant to the Terms Hereof, the Company Hereby Accepts the Offer the Subscriber Has Made to Purchase 2,875,000 Shares of Class B Common Stock, $0.001 Par Value Per Share (The “Shares”), Up to 375,000 of Which Are Subject to Forfeiture by You if the Underwriters of the Initial Public Offering (“Ipo”) of Units (“Units”) of the Company, Do Not Fully Exercise Their Over-Allotment Option (The “Over-Allotment Option”). the Company and the Subscriber’s Agreements Regarding Such Shares Are as Follows: 1. Purchase of Securities

from S-1 4 pages Promissory Note