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Contract #: 47QRAA18D00BQ 47QRCA25DU541 Contractor: MATHEMATICA INC. Address: 1100 1ST ST NE FL 12 WASHINGTON, DC 20002-4893 Call: 202-484-5264 Email: lsheldone@mathematica-mpr.com Web Address: http://www.mathematica-mpr.org SAM UEI: UJMMR3K2CDK6 NAICS: 541611 Socio-Economic : Other Than Small Business Current Option Period End Date : Jun 30, 2028 Ultimate Contract End Date : Jun 30, 2038 Govt. POC: Anita Sampson 202-969-7516 anita.sampson@gsa.gov Terms & Conditions + Price List EPLS : Contractor not found on the Excluded Parties List System Source Title Contract Number Terms & Conditions / Price List Current Option Period End Date Ultimate Contract End Date Category    View Catalog MAS Multiple Award Schedule 47QRAA18D00BQ Terms & Conditions + Price List Jun 30, 2028 Jun 30, 2038 54151HEAL 54151S 541611 541720 ANCILLARY OLM

Additional Contracts held by this contractor. To view more details of a contract, click the Contract Number below.

Source Title Contract Number Terms & Conditions / Price List Current Option Period End Date Ultimate Contract End Date Category    View Catalog OASIS+UR OASIS+ UR 47QRCA25DU541   Dec 16, 2029 60101 60102 60103 60104 60105 60106 60107 60108 60201 60202 60203 60204 60205 60206 60207 60208 60209 60210 60211 60212 60213 60214 60215 60216 60301 60302 60303 60304 60305 60306 60307 60308 60309 60310 60311 60312 60313 60314 60315 60316 60601 60602 60603 60604 60605 60606 60607 60608 60609 60610 60611