SEDAGHAT SHAWN bought TRS

Footnotes

The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $23.83 to $24.25 inclusive. Mr. Sedaghat undertakes to provide to TriMas Corporation, any security holder of TriMas Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (5) to this Form 4.; The securities reported herein are directly held by Swan Family Office, LLC ("Swan Family Office"). Mr. Sedaghat may be deemed to beneficially own the reported securities by virtue of the fact that Mr. Sedaghat is the Managing Member of Swan Family Office. Each of Swan Family Office and Mr. Sedaghat disclaims beneficial ownership of the securities to which this filing relates for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed to be an admission that either Swan Family Office or Mr. Sedaghat is the beneficial owner of such securities for purposes of Section 16, or for any other purpose.; Trend (as defined in footnote (6) below) does not have beneficial ownership of these securities, and specifically disclaims beneficial ownership of these securities. This report shall not be deemed to be an admission that Trend is the beneficial owner of such securities for purposes of Section 16, or for any other purpose.