confidential treatment has been requested with respect to portions of this agreement as indicated by “ [ * * * ] ” and such confidential portions have been deleted and filed separately with the securities and exchange commission pursuant to rule 24b - 2 of the securities exchange act of 1934, as amended. biotest pharmaceuticals corporation · 901 yamato road, suite 101 boca raton, fl # # # - # # # - # # # # july 19, 2018 adam grossman, president and chief executive officer adma biomanufacturing, llc 5800 park of commerce blvd. n. w. boca raton, fl 33431 re : amendment - plasma purchase agreement, normal source plasma purchase from bpc to adma, by and between adma biomanufacturing, llc. ( “ adma ” ) and biotest pharmaceuticals corporation ( “ bpc ” ), with an effective date of june 6, 2017 ( the “ agreement ” ) re : amendment - plasma purchase agreement, normal source plasma purchase from bpc to adma, by and between adma biomanufacturing, llc. ( “ adma ” ) and biotest pharmaceuticals corporation ( “ bpc ” ), with an effective date of june 6, 2017 ( the “ agreement ” ) re : amendment - plasma purchase agreement, normal source plasma purchase from bpc to adma, by and between adma biomanufacturing, llc. ( “ adma ” ) and biotest pharmaceuticals corporation ( “ bpc ” ), with an effective date of june 6, 2017 ( the “ agreement ” ) dear adam, in accordance with section 2. a. of the above referenced agreement, bpc ( or its successor in interest ) shall, for calendar year 2019, supply up to [ * * * ] liters ( quantity ) of nsp at a price of $ [ * * * ] per liter ; provided adma delivers a valid purchase order to bpc setting forth requested amounts, no later than [ * * * ], 2018. for calendar years 2020 and 2021, bpc further agrees that it ( or its successor in interest ) shall supply no less than at least [ * * * ] percent ( [ * * * ] % ) of adma ’ s requested nsp amounts ; provided such requested nsp volumes are between the ranges of [ * * * ] – [ * * * ] liters. prices for such nsp shall be set in