diff --git a/packages/frontend/src/components/boxes/ResearchBox.tsx b/packages/frontend/src/components/boxes/ResearchBox.tsx
index f6d0a98..50c715a 100755
--- a/packages/frontend/src/components/boxes/ResearchBox.tsx
+++ b/packages/frontend/src/components/boxes/ResearchBox.tsx
@@ -36,6 +36,7 @@ const ResearchBox = ({
   );
 
   const baseCosts = baseTechCost[functionCallName];
+  const isExo = functionCallName === 18;
   // Calculate the cumulative cost of the upgrade
   const upgradeCost = useMemo(() => {
     if (quantity > 0 && level != undefined) {
@@ -44,12 +45,13 @@ const ResearchBox = ({
         quantity,
         baseCosts.steel,
         baseCosts.quartz,
-        baseCosts.tritium
+        baseCosts.tritium,
+        isExo
       );
       return cost;
     }
     return { steel: 0, quartz: 0, tritium: 0 };
-  }, [level, quantity, baseCosts]);
+  }, [level, quantity, baseCosts, isExo]);
 
   const hasEnoughResources = calculEnoughResources(
     upgradeCost,
diff --git a/packages/frontend/src/shared/utils/Formulas.ts b/packages/frontend/src/shared/utils/Formulas.ts
index 205d37f..484504c 100644
--- a/packages/frontend/src/shared/utils/Formulas.ts
+++ b/packages/frontend/src/shared/utils/Formulas.ts
@@ -1,3 +1,5 @@
+import { baseTechCost } from '../../constants/costs';
+
 const GROWTH_FACTOR_LINEAR = 1.1;
 const GROWTH_FACTOR_QUARTZ = 1.6;
 const GROWTH_FACTOR_STEEL = 1.5;
@@ -117,6 +119,13 @@ export function techCostFormula(
   return { steel, quartz, tritium };
 }
 
+export function exoTechFormula(level: number) {
+  const steel = Math.round(baseTechCost[18].steel * Math.pow(1.75, level));
+  const quartz = Math.round(baseTechCost[18].quartz * Math.pow(1.75, level));
+  const tritium = Math.round(baseTechCost[18].tritium * Math.pow(1.75, level));
+  return { steel, quartz, tritium };
+}
+
 export function calculateFleetLoss(timeSeconds: number): number {
   const decay = Math.exp(-0.02 * (timeSeconds / 60));
 
@@ -206,17 +215,20 @@ export const getCumulativeTechCost = (
   quantity: number,
   baseSteelCost: number,
   baseQuartzCost: number,
-  baseTritiumCost: number
+  baseTritiumCost: number,
+  isExo: boolean
 ) => {
   const totalCost = { steel: 0, quartz: 0, tritium: 0 };
 
   for (let i = 0; i < quantity; i++) {
-    const costAtLevel = techCostFormula(
-      level + i,
-      baseSteelCost,
-      baseQuartzCost,
-      baseTritiumCost
-    );
+    const costAtLevel = isExo
+      ? exoTechFormula(level + i)
+      : techCostFormula(
+          level + i,
+          baseSteelCost,
+          baseQuartzCost,
+          baseTritiumCost
+        );
 
     totalCost.steel += costAtLevel.steel;
     totalCost.quartz += costAtLevel.quartz;