EXHIBIT 2
JOINT FILING UNDERTAKING
The undersigned, being authorized thereunto, hereby execute this agreement as an exhibit to this Schedule 13G to evidence the agreement of the below-named parties, in accordance with rules promulgated pursuant to the Securities Exchange Act of 1934, to file this Schedule, as it may be amended, jointly on behalf of each of such parties.
Dated: February 4, 2021
| Erik E. Bergstrom Charitable Remainder Trust | Edith H. Bergstrom Living Trust | |||||
| By: | /s/ Edith H. Bergstrom | By: | /s/ Edith H. Bergstrom | |||
| Edith H. Bergstrom | Edith H. Bergstrom | |||||
| Trustee | Trustee | |||||
| /s/ Edith H. Bergstrom | Erik E. and Edith H. Bergstrom Foundation | |||||
| Edith H. Bergstrom | ||||||
| /s/ Julia R. Bolous | By: | /s/ Edith H. Bergstrom | ||||
| Julia R. Bolous | Edith H. Bergstrom Trustee | |||||
| /s/ Janet Greig | By: | /s/ Julia R. Bolous | ||||
| Janet Greig | Julia R. Bolous Trustee | |||||
| /s/ Wylie Greig | By: | /s/ Janet Greig | ||||
| Wylie Greig | Janet Greig Trustee | |||||
| By: | /s/ Wylie Greig | |||||
Wylie Greig Trustee | ||||||