diff --git a/ui/build/config.go b/ui/build/config.go
index 2dda52a..8ec9680 100644
--- a/ui/build/config.go
+++ b/ui/build/config.go
@@ -89,7 +89,8 @@
 	skipMetricsUpload        bool
 	buildStartedTime         int64 // For metrics-upload-only - manually specify a build-started time
 	buildFromTextStub        bool
-	ensureAllowlistIntegrity bool // For CI builds - make sure modules are mixed-built
+	ensureAllowlistIntegrity bool  // For CI builds - make sure modules are mixed-built
+	bazelExitCode            int32 // For b-runs - necessary for updating NonZeroExit
 
 	// From the product config
 	katiArgs        []string
@@ -298,11 +299,12 @@
 	return true
 }
 
-func UploadOnlyConfig(ctx Context, _ ...string) Config {
+func UploadOnlyConfig(ctx Context, args ...string) Config {
 	ret := &configImpl{
 		environ:       OsEnvironment(),
 		sandboxConfig: &SandboxConfig{},
 	}
+	ret.parseArgs(ctx, args)
 	srcDir := absPath(ctx, ".")
 	bc := os.Getenv("ANDROID_BUILD_ENVIRONMENT_CONFIG")
 	if err := loadEnvConfig(ctx, ret, bc); err != nil {
@@ -883,6 +885,14 @@
 			}
 		} else if arg == "--ensure-allowlist-integrity" {
 			c.ensureAllowlistIntegrity = true
+		} else if strings.HasPrefix(arg, "--bazel-exit-code=") {
+			bazelExitCodeStr := strings.TrimPrefix(arg, "--bazel-exit-code=")
+			val, err := strconv.Atoi(bazelExitCodeStr)
+			if err == nil {
+				c.bazelExitCode = int32(val)
+			} else {
+				ctx.Fatalf("Error parsing bazel-exit-code", err)
+			}
 		} else if len(arg) > 0 && arg[0] == '-' {
 			parseArgNum := func(def int) int {
 				if len(arg) > 2 {
@@ -1723,6 +1733,10 @@
 	return time.UnixMilli(c.buildStartedTime)
 }
 
+func (c *configImpl) BazelExitCode() int32 {
+	return c.bazelExitCode
+}
+
 func GetMetricsUploader(topDir string, env *Environment) string {
 	if p, ok := env.Get("METRICS_UPLOADER"); ok {
 		metricsUploader := filepath.Join(topDir, p)
diff --git a/ui/build/upload.go b/ui/build/upload.go
index 1e6d94a..ee4a5b3 100644
--- a/ui/build/upload.go
+++ b/ui/build/upload.go
@@ -141,7 +141,7 @@
 // This method takes a file created by bazel's --analyze-profile mode and
 // writes bazel metrics data to the provided filepath.
 // TODO(b/279987768) - move this outside of upload.go
-func processBazelMetrics(bazelProfileFile string, bazelMetricsFile string, ctx Context) {
+func processBazelMetrics(bazelProfileFile string, bazelMetricsFile string, ctx Context, config Config) {
 	if bazelProfileFile == "" {
 		return
 	}
@@ -179,6 +179,7 @@
 		return
 	}
 	bazelProto := readBazelProto(bazelProfileFile)
+	bazelProto.ExitCode = proto.Int32(config.bazelExitCode)
 	shared.Save(&bazelProto, bazelMetricsFile)
 }
 
@@ -192,7 +193,7 @@
 	defer ctx.EndTrace()
 
 	uploader := config.MetricsUploaderApp()
-	processBazelMetrics(bazelProfileFile, bazelMetricsFile, ctx)
+	processBazelMetrics(bazelProfileFile, bazelMetricsFile, ctx, config)
 
 	if uploader == "" {
 		// If the uploader path was not specified, no metrics shall be uploaded.
diff --git a/ui/metrics/metrics.go b/ui/metrics/metrics.go
index 82d11ed..a282e20 100644
--- a/ui/metrics/metrics.go
+++ b/ui/metrics/metrics.go
@@ -228,7 +228,7 @@
 	m.metrics.BuildDateTimestamp = proto.Int64(buildTimestamp.UnixNano() / int64(time.Second))
 }
 
-func (m *Metrics) UpdateTotalRealTime(data []byte) error {
+func (m *Metrics) UpdateTotalRealTimeAndNonZeroExit(data []byte, bazelExitCode int32) error {
 	if err := proto.Unmarshal(data, &m.metrics); err != nil {
 		return fmt.Errorf("Failed to unmarshal proto", err)
 	}
@@ -236,6 +236,9 @@
 	endTime := uint64(time.Now().UnixNano())
 
 	*m.metrics.Total.RealTime = *proto.Uint64(endTime - startTime)
+
+	bazelError := bazelExitCode != 0
+	m.metrics.NonZeroExit = proto.Bool(bazelError)
 	return nil
 }