diff --git a/NOTICE.txt b/NOTICE.txt
index 688fad4e..1a1946e3 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -1,3 +1,4 @@
 gs-quant
 Copyright 2018-2019 Goldman Sachs
 This product contains code copyright Scott Weinstein, licensed under Apache 2.0 license
+This product contains code copyright Arpit Mishra, licensed under Apache 2.0 license.
diff --git a/dco/ArpitMishra.dco b/dco/ArpitMishra.dco
new file mode 100644
index 00000000..0ab00c7c
--- /dev/null
+++ b/dco/ArpitMishra.dco
@@ -0,0 +1,9 @@
+1) I, Arpit Mishra, certify that all work committed with the commit message
+"covered by: ArpitMishra.dco" is my original work and I own the copyright
+to this work. I agree to contribute this code under the Apache 2.0 license.
+
+2) I understand and agree all contribution including all personal
+information I submit with it is maintained indefinitely and may be
+redistributed consistent with the open source license(s) involved.
+
+This certification is effective for all code contributed from 2025-07-30 to 9999-01-01.