X0306 4 2022-06-13 0 0000883107 NANOPHASE TECHNOLOGIES Corp NANX 0001184478 JANKOWSKI JESS 1319 MARQUETTE DRIVE ROMEOVILLE IL 60446 1 1 0 0 President, CEO Common Stock 1000 I Spouse's IRA Common Stock 59000 D Common Stock 2022-06-13 4 M 0 7800 0.30 A 66800 D Common Stock 2022-06-13 4 S 0 7800 3.00 D 59000 D Common Stock 2022-06-15 4 M 0 12485 0.30 A 71485 D Common Stock 2022-06-15 4 S 0 12485 3.00 D 59000 D Common Stock (right to purchase) 0.30 2022-06-13 4 M 0 7800 0.30 D 2013-08-07 2022-08-07 Common Stock 63845 56045 D Common Stock (right to purchase) 0.30 2022-06-15 4 M 0 12485 0.30 D 2013-08-07 2022-08-07 Common Stock 56045 43560 D Common Stock (right to purchase) 0.415 2014-02-14 2023-02-14 Common Stock 90000 90000 D Common Stock (right to purchase) 0.52 2015-02-13 2024-02-13 Common Stock 90000 90000 D Common Stock (right to purchase) 0.44 2016-02-18 2025-02-18 Common Stock 81000 81000 D Common Stock (right to purchase) 0.42 2017-02-23 2026-02-23 Common Stock 69000 69000 D Common Stock (right to purchase) 0.68 2018-02-21 2027-02-21 Common Stock 81000 81000 D Common Stock (right to purchase) 0.82 2019-05-23 2028-05-23 Common Stock 90000 90000 D Common Stock (right to purchase) 0.51 2020-05-22 2029-05-22 Common Stock 16500 16500 D Common Stock (right to purchase) 0.45 2021-06-18 2027-06-18 Common Stock 90000 90000 D Common Stock (right to purchase) 4.17 2022-12-28 2028-12-28 Common Stock 90000 90000 D This transaction was communicated to the reporting person on June 17th due to a clerical error. These options were set to expire on 08/07/2022. Under the Company's Policy on Insider Trading, all Nanophase employees will enter a blackout period on 06/25/2022, which will not end until three working days after the Company releases Q22022 earnings. Subject to certain restrictions, beginning on this date, options vest in three equal annual installments. Subject to certain restrictions, beginning on this date, options vest in three equal installments. Subject to certain restrictions, beginning on this date, the options vest in three equal annual installments. The June 13, 2022 transaction was not communicated to Mr. Jankowski until June 17th, due to a clerical error. This option grant is set to expire on 08/07/2022. Under the Company's Policy on Insider Trading, all Nanophase employees will enter a blackout period on 06/25/2022, which will not end until three working days after the Company releases Q22022 earnings. The maturity of these rights cannot be extended beyond the IRS statutory limit of ten years. Jess A. Jankowski 2022-06-17