diff --git a/src/Faction/ui/FactionRoot.tsx b/src/Faction/ui/FactionRoot.tsx
index be324619e..643224cb1 100644
--- a/src/Faction/ui/FactionRoot.tsx
+++ b/src/Faction/ui/FactionRoot.tsx
@@ -22,6 +22,7 @@ import { GangButton } from "./GangButton";
 import { FactionWork } from "../../Work/FactionWork";
 import { useCycleRerender } from "../../ui/React/hooks";
 import { repNeededToDonate } from "../formulas/donation";
+import { ShareOption } from "./ShareOption";
 
 type FactionRootProps = {
   faction: Faction;
@@ -45,7 +46,7 @@ const securityWorkInfo =
   "You will gain exp for all combat stats and hacking.";
 const augmentationsInfo =
   "As your reputation with this faction rises, you will " +
-  "unlock Augmentations, which you can purchase to enhance " +
+  "unlock augmentations, which you can purchase to enhance " +
   "your abilities.";
 const sleevePurchasesInfo = "Purchase Duplicate Sleeves and upgrades. These are permanent!";
 
@@ -131,6 +132,7 @@ function MainPage({ faction, rerender, onAugmentations }: IMainProps): React.Rea
       {!isPlayersGang && factionInfo.offersWork() && (
         <DonateOption faction={faction} rerender={rerender} favorToDonate={favorToDonate} disabled={!canDonate} />
       )}
+      {!isPlayersGang && factionInfo.offersWork() && <ShareOption rerender={rerender} />}
       <Option buttonText={"Purchase Augmentations"} infoText={augmentationsInfo} onClick={onAugmentations} />
       {canPurchaseSleeves && (
         <>
diff --git a/src/Faction/ui/Info.tsx b/src/Faction/ui/Info.tsx
index de9dad0f5..5d4636de4 100644
--- a/src/Faction/ui/Info.tsx
+++ b/src/Faction/ui/Info.tsx
@@ -27,7 +27,6 @@ interface IProps {
 const useStyles = makeStyles()({
   noformat: {
     whiteSpace: "pre-wrap",
-    lineHeight: "1em",
   },
 });
 
diff --git a/src/Faction/ui/ShareOption.tsx b/src/Faction/ui/ShareOption.tsx
new file mode 100644
index 000000000..934d44f95
--- /dev/null
+++ b/src/Faction/ui/ShareOption.tsx
@@ -0,0 +1,87 @@
+import React, { useState } from "react";
+
+import { TextField } from "@mui/material";
+import Button from "@mui/material/Button";
+import Paper from "@mui/material/Paper";
+import Typography from "@mui/material/Typography";
+
+import { Player } from "@player";
+import {
+  calculateCurrentShareBonus,
+  calculateShareBonusWithAdditionalThreads,
+  pendingUIShareJobIds,
+  ShareBonusTime,
+  startSharing,
+} from "../../NetworkShare/Share";
+import { formatRam } from "../../ui/formatNumber";
+import { dialogBoxCreate } from "../../ui/React/DialogBox";
+import { useCycleRerender } from "../../ui/React/hooks";
+import { roundToTwo } from "../../utils/helpers/roundToTwo";
+
+export function ShareOption({ rerender }: { rerender: () => void }): React.ReactElement {
+  const [ram, setRam] = useState<number>(0);
+  useCycleRerender();
+
+  const home = Player.getHomeComputer();
+  const threads = Math.floor(ram / 4);
+
+  function onShare(): void {
+    if (threads === 0) {
+      return;
+    }
+    if (!Number.isFinite(threads) || threads < 0) {
+      dialogBoxCreate("Invalid RAM amount.");
+      return;
+    }
+    const freeRAM = home.maxRam - home.ramUsed;
+    const ramUsage = roundToTwo(4 * threads);
+    if (ramUsage > freeRAM + 0.001) {
+      dialogBoxCreate("Not enough RAM.");
+      return;
+    }
+
+    home.updateRamUsed(roundToTwo(home.ramUsed + ramUsage));
+    const end = startSharing(threads, home.cpuCores);
+    const jobId = window.setTimeout(() => {
+      end();
+      if (pendingUIShareJobIds.includes(jobId)) {
+        home.updateRamUsed(roundToTwo(home.ramUsed - ramUsage));
+      }
+      rerender();
+    }, ShareBonusTime);
+    pendingUIShareJobIds.push(jobId);
+  }
+
+  return (
+    <Paper sx={{ my: 1, p: 1 }}>
+      <Typography>
+        You can share free RAM of your home computer with your faction to get a bonus multiplier for reputation gain.
+        Each time you share your free RAM, you get a boost for {ShareBonusTime / 1000} seconds. You can share free RAM
+        of other servers that you have admin rights by using ns.share() API.
+        <br />
+        Free RAM on home computer: {formatRam(home.maxRam - home.ramUsed)}.
+        <br />
+        Current bonus: {calculateCurrentShareBonus()}. Bonus with {formatRam(ram)}:{" "}
+        {calculateShareBonusWithAdditionalThreads(threads, home.cpuCores)}
+      </Typography>
+
+      <TextField
+        value={ram}
+        onChange={(event) => {
+          if (event.target.value === "") {
+            setRam(0);
+            return;
+          }
+          const value = Number.parseFloat(event.target.value);
+          if (!Number.isFinite(value) || value < 0) {
+            return;
+          }
+          setRam(value);
+        }}
+        InputProps={{
+          endAdornment: <Button onClick={onShare}>Share</Button>,
+        }}
+      />
+    </Paper>
+  );
+}
diff --git a/src/NetscriptFunctions.ts b/src/NetscriptFunctions.ts
index 1bab92632..2a65975e1 100644
--- a/src/NetscriptFunctions.ts
+++ b/src/NetscriptFunctions.ts
@@ -35,7 +35,6 @@ import {
   numCycleForGrowthCorrected,
   processSingleServerGrowth,
   safelyCreateUniqueServer,
-  getCoreBonus,
   getWeakenEffect,
 } from "./Server/ServerHelpers";
 import {
@@ -89,8 +88,7 @@ import { SnackbarEvents } from "./ui/React/Snackbar";
 import { matchScriptPathExact } from "./utils/helpers/scriptKey";
 
 import { Flags } from "./NetscriptFunctions/Flags";
-import { calculateIntelligenceBonus } from "./PersonObjects/formulas/intelligence";
-import { CalculateShareMult, StartSharing } from "./NetworkShare/Share";
+import { calculateCurrentShareBonus, ShareBonusTime, startSharing } from "./NetworkShare/Share";
 import { recentScripts } from "./Netscript/RecentScripts";
 import { InternalAPI, setRemovedFunctions, NSProxy } from "./Netscript/APIWrapper";
 import { INetscriptExtra } from "./NetscriptFunctions/Extra";
@@ -421,19 +419,17 @@ export const ns: InternalAPI<NSFull> = {
       return getWeakenEffect(threads, cores);
     },
   share: (ctx) => () => {
-    const cores = helpers.getServer(ctx, ctx.workerScript.hostname).cpuCores;
-    const coreBonus = getCoreBonus(cores);
-    helpers.log(ctx, () => "Sharing this computer.");
-    const end = StartSharing(
-      ctx.workerScript.scriptRef.threads * calculateIntelligenceBonus(Player.skills.intelligence, 2) * coreBonus,
-    );
-    return helpers.netscriptDelay(ctx, 10000).finally(function () {
-      helpers.log(ctx, () => "Finished sharing this computer.");
+    const threads = ctx.workerScript.scriptRef.threads;
+    const hostname = ctx.workerScript.hostname;
+    helpers.log(ctx, () => `Sharing ${threads} threads on ${hostname}.`);
+    const end = startSharing(threads, helpers.getServer(ctx, hostname).cpuCores);
+    return helpers.netscriptDelay(ctx, ShareBonusTime).finally(function () {
+      helpers.log(ctx, () => `Finished sharing ${threads} threads on ${hostname}.`);
       end();
     });
   },
   getSharePower: () => () => {
-    return CalculateShareMult();
+    return calculateCurrentShareBonus();
   },
   print:
     (ctx) =>
diff --git a/src/NetworkShare/Share.ts b/src/NetworkShare/Share.ts
new file mode 100644
index 000000000..01d206076
--- /dev/null
+++ b/src/NetworkShare/Share.ts
@@ -0,0 +1,57 @@
+import { Player } from "@player";
+import { calculateIntelligenceBonus } from "../PersonObjects/formulas/intelligence";
+import { getCoreBonus } from "../Server/ServerHelpers";
+import { clampNumber } from "../utils/helpers/clampNumber";
+
+let sharePower = 1;
+
+export const ShareBonusTime = 10000;
+
+/**
+ * When the player shares free RAM via UI, it's a "pending job". After that job finishes, we restore the free RAM by
+ * decreasing server.ramUsed by calling server.updateRamUsed(). However, if the player prestiges before that, all
+ * servers are reset and ramUsed is reset to 0. This means that when a job finishes, we may modify ramUsed of a new
+ * server.
+ *
+ * To solve this problem, we use an array to save job IDs. When the player prestiges, we clear this array. When a job
+ * finishes, we check if that job ID is still in this array. If it is not, it means that the player performed a
+ * prestige, and we do not need to decrease ramUsed.
+ */
+export const pendingUIShareJobIds: number[] = [];
+
+export function calculateEffectiveSharedThreads(threads: number, cpuCores: number): number {
+  const coreBonus = getCoreBonus(cpuCores);
+  return threads * calculateIntelligenceBonus(Player.skills.intelligence, 2) * coreBonus;
+}
+
+export function startSharing(threads: number, cpuCores: number): () => void {
+  const effectiveThreads = calculateEffectiveSharedThreads(threads, cpuCores);
+  sharePower += effectiveThreads;
+  return () => {
+    /**
+     * Due to floating point inaccuracy, sharePower may be slightly higher or lower than 1 after many times the player
+     * shares their RAM. We need to make sure that it's not smaller than 1.
+     */
+    sharePower = clampNumber(sharePower - effectiveThreads, 1);
+    // sharePower may be slightly higher than 1. Reset sharePower if it's smaller than a threshold.
+    if (sharePower < 1.00001) {
+      sharePower = 1;
+    }
+  };
+}
+
+function calculateShareBonus(sharePower: number): number {
+  const bonus = 1 + Math.log(sharePower) / 25;
+  if (!Number.isFinite(bonus)) {
+    return 1;
+  }
+  return bonus;
+}
+
+export function calculateShareBonusWithAdditionalThreads(threads: number, cpuCores: number): number {
+  return calculateShareBonus(sharePower + calculateEffectiveSharedThreads(threads, cpuCores));
+}
+
+export function calculateCurrentShareBonus(): number {
+  return calculateShareBonus(sharePower);
+}
diff --git a/src/NetworkShare/Share.tsx b/src/NetworkShare/Share.tsx
deleted file mode 100644
index d0fe2ba84..000000000
--- a/src/NetworkShare/Share.tsx
+++ /dev/null
@@ -1,12 +0,0 @@
-import { CalculateShareMult as CSM } from "./formulas/share";
-
-export let sharePower = 1;
-
-export function StartSharing(threads: number): () => void {
-  sharePower += threads;
-  return () => (sharePower -= threads);
-}
-
-export function CalculateShareMult(): number {
-  return CSM(sharePower);
-}
diff --git a/src/NetworkShare/formulas/share.tsx b/src/NetworkShare/formulas/share.tsx
deleted file mode 100644
index 6c5fbd572..000000000
--- a/src/NetworkShare/formulas/share.tsx
+++ /dev/null
@@ -1,5 +0,0 @@
-export function CalculateShareMult(power: number): number {
-  const x = 1 + Math.log(power) / 25;
-  if (isNaN(x) || !isFinite(x)) return 1;
-  return x;
-}
diff --git a/src/PersonObjects/formulas/reputation.ts b/src/PersonObjects/formulas/reputation.ts
index ccfd5cc36..746f7a003 100644
--- a/src/PersonObjects/formulas/reputation.ts
+++ b/src/PersonObjects/formulas/reputation.ts
@@ -1,6 +1,6 @@
 import { CONSTANTS } from "../../Constants";
 import { currentNodeMults } from "../../BitNode/BitNodeMultipliers";
-import { CalculateShareMult } from "../../NetworkShare/Share";
+import { calculateCurrentShareBonus } from "../../NetworkShare/Share";
 import { Person as IPerson } from "@nsdefs";
 import { calculateIntelligenceBonus } from "./intelligence";
 
@@ -18,7 +18,7 @@ export function getHackingWorkRepGain(p: IPerson, favor: number): number {
     p.mults.faction_rep *
     calculateIntelligenceBonus(p.skills.intelligence, 1) *
     mult(favor) *
-    CalculateShareMult()
+    calculateCurrentShareBonus()
   );
 }
 
@@ -29,7 +29,7 @@ export function getFactionSecurityWorkRepGain(p: IPerson, favor: number): number
         p.skills.defense +
         p.skills.dexterity +
         p.skills.agility +
-        (p.skills.hacking + p.skills.intelligence) * CalculateShareMult())) /
+        (p.skills.hacking + p.skills.intelligence) * calculateCurrentShareBonus())) /
     CONSTANTS.MaxSkillLevel /
     4.5;
   return t * p.mults.faction_rep * mult(favor) * calculateIntelligenceBonus(p.skills.intelligence, 1);
@@ -43,7 +43,7 @@ export function getFactionFieldWorkRepGain(p: IPerson, favor: number): number {
         p.skills.dexterity +
         p.skills.agility +
         p.skills.charisma +
-        (p.skills.hacking + p.skills.intelligence) * CalculateShareMult())) /
+        (p.skills.hacking + p.skills.intelligence) * calculateCurrentShareBonus())) /
     CONSTANTS.MaxSkillLevel /
     5.5;
   return t * p.mults.faction_rep * mult(favor) * calculateIntelligenceBonus(p.skills.intelligence, 1);
diff --git a/src/Prestige.ts b/src/Prestige.ts
index acd1994ec..3cde0a85d 100644
--- a/src/Prestige.ts
+++ b/src/Prestige.ts
@@ -29,6 +29,7 @@ import { Go } from "./Go/Go";
 import { calculateExp } from "./PersonObjects/formulas/skill";
 import { currentNodeMults } from "./BitNode/BitNodeMultipliers";
 import { canAccessBitNodeFeature } from "./BitNode/BitNodeUtils";
+import { pendingUIShareJobIds } from "./NetworkShare/Share";
 
 const BitNode8StartingMoney = 250e6;
 function delayedDialog(message: string) {
@@ -75,6 +76,9 @@ export function prestigeAugmentation(): void {
   AddToAllServers(homeComp);
   prestigeHomeComputer(homeComp);
 
+  // Clear all pending share jobs created via UI
+  pendingUIShareJobIds.length = 0;
+
   // Receive starting money and programs from installed augmentations
   for (const ownedAug of Player.augmentations) {
     const aug = Augmentations[ownedAug.name];
@@ -211,6 +215,10 @@ export function prestigeSourceFile(isFlume: boolean): void {
   // Reset home computer (only the programs) and add to AllServers
   AddToAllServers(homeComp);
   prestigeHomeComputer(homeComp);
+
+  // Clear all pending share jobs created via UI
+  pendingUIShareJobIds.length = 0;
+
   // Ram usage needs to be cleared for bitnode-level resets, due to possible change in singularity cost.
   for (const script of homeComp.scripts.values()) script.ramUsage = null;
 
diff --git a/src/Server/BaseServer.ts b/src/Server/BaseServer.ts
index 1edb7b857..de79d70f0 100644
--- a/src/Server/BaseServer.ts
+++ b/src/Server/BaseServer.ts
@@ -25,6 +25,7 @@ import { Settings } from "../Settings/Settings";
 
 import type { ScriptKey } from "../utils/helpers/scriptKey";
 import { objectAssert } from "../utils/helpers/typeAssertion";
+import { clampNumber } from "../utils/helpers/clampNumber";
 
 interface IConstructorParams {
   adminRights?: boolean;
@@ -232,7 +233,7 @@ export abstract class BaseServer implements IServer {
   }
 
   updateRamUsed(ram: number): void {
-    this.ramUsed = ram;
+    this.ramUsed = clampNumber(ram, 0, this.maxRam);
   }
 
   pushProgram(program: ProgramFilePath | CompletedProgramName): void {