diff --git a/src/trace/NonRecordingSpan.ts b/src/trace/NonRecordingSpan.ts
index bd5e321e..7220e3cf 100644
--- a/src/trace/NonRecordingSpan.ts
+++ b/src/trace/NonRecordingSpan.ts
@@ -48,7 +48,11 @@ export class NonRecordingSpan implements Span {
   }
 
   // By default does nothing
-  addEvent(_name: string, _attributes?: SpanAttributes): this {
+  addEvent(
+    _name: string,
+    _attributesOrTime?: SpanAttributes | TimeInput,
+    _time?: TimeInput
+  ): this {
     return this;
   }
 
@@ -71,5 +75,9 @@ export class NonRecordingSpan implements Span {
   }
 
   // By default does nothing
-  recordException(_exception: Exception, _time?: TimeInput): void {}
+  recordException(
+    _exception: Exception,
+    _attributesOrTime?: SpanAttributes | TimeInput,
+    _time?: TimeInput
+  ): void {}
 }
diff --git a/src/trace/span.ts b/src/trace/span.ts
index d80b8c26..f0954a80 100644
--- a/src/trace/span.ts
+++ b/src/trace/span.ts
@@ -65,14 +65,21 @@ export interface Span {
    * Adds an event to the Span.
    *
    * @param name the name of the event.
-   * @param [attributesOrStartTime] the attributes that will be added; these are
-   *     associated with this event. Can be also a start time
-   *     if type is {@type TimeInput} and 3rd param is undefined
+   * @param [startTime] start time of the event.
+   */
+  addEvent(name: string, startTime?: TimeInput): this;
+
+  /**
+   * Adds an event to the Span.
+   *
+   * @param name the name of the event.
+   * @param [attributes] the attributes that will be added; these are
+   *     associated with this event.
    * @param [startTime] start time of the event.
    */
   addEvent(
     name: string,
-    attributesOrStartTime?: SpanAttributes | TimeInput,
+    attributes?: SpanAttributes,
     startTime?: TimeInput
   ): this;
 
@@ -120,10 +127,25 @@ export interface Span {
   isRecording(): boolean;
 
   /**
-   * Sets exception as a span event
+   * Sets exception as a span event.
+   *
    * @param exception the exception the only accepted values are string or Error
    * @param [time] the time to set as Span's event time. If not provided,
    *     use the current time.
    */
   recordException(exception: Exception, time?: TimeInput): void;
+
+  /**
+   * Sets exception as a span event.
+   *
+   * @param exception the exception the only accepted values are string or Error
+   * @param [attributes] additional attributes to be associated with this event.
+   * @param [time] the time to set as Span's event time. If not provided,
+   *     use the current time.
+   */
+  recordException(
+    exception: Exception,
+    attributes?: SpanAttributes,
+    time?: TimeInput
+  ): void;
 }