definiens: for a Quarter shall mean:(a ) the sum of ( i ) fifty percent ( 50 % ) of the sum of ( A ) aggregate Development Costsincurred by both Parties under the Territory PDGF Development Plan in the Quarter ( excludingDevelopment Overruns in connection with the Territory PDGF Development Plan that were notapproved by both Parties ’ representatives on the JSC ) and ( B ) aggregate Other SharedExpenses incurred by both Parties in the Quarter ; and ( ii ) twenty - five percent ( 25 % ) of the sum of(A ) aggregate Development Costs incurred by both Parties under the Global PDGF DevelopmentPlan in the Quarter ( excluding Development Overruns in connection with the Global PDGFDevelopment Plan that were not approved by both Parties ’ representatives on the JSC ) and ( B)aggregate Global HQ Costs incurred by both Parties in the Quarter ; minus(b ) one hundred percent ( 100 % ) of the sum of ( i ) Development Costs incurred byCompany under the Territory PDGF Development Plan in the Quarter ( excluding DevelopmentOverruns in connection with the Territory PDGF Development Plan that were not approved byboth Parties ’ representatives on the JSC ) ; ( ii ) Other Shared Expenses incurred by Company inthe Quarter ; ( iii ) Development Costs incurred by Company under the Global PDGF DevelopmentPlan in the Quarter ( excluding Development Overruns in connection with the Global PDGFDevelopment Plan that were not approved by both Parties ’ representatives on the JSC ) ; and ( iv)Global HQ Costs incurred by Company in the Quarter