The guarantor could be a commercial bank, credit union, brokerage firm, or other financial institution that is a member of a medallion
signature guarantee program approved by the Securities Transfer Association and the SEC.
Signature guarantees may be obtained from certain eligible financial institutions, including, but not limited to, the following: U.S. banks, trust companies, credit unions, securities brokers and dealers, savings and loan associations and participants in the Securities and Transfer Association Medallion
Program (STAMP), the Stock Exchange Medallion
Program (SEMP) or the New York Stock Exchange Medallion
Signature Program (MSP).