X0306 4 2022-12-06 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 2022-12-06 4 M 0 4816 0.415 A 63816 D Common Stock 2022-12-06 4 S 0 4816 1.21 D 59000 D Common Stock 2022-12-08 4 M 0 15100 0.415 A 74100 D Common Stock 2022-12-08 4 S 0 15100 1.18 D 59000 D Common Stock (right to purchase) 0.415 2022-12-06 4 M 0 4816 0.415 D 2014-02-14 2023-02-14 Common Stock 26126 21310 D Common Stock (right to purchase) 0.415 2022-12-08 4 M 0 15100 0.415 D 2014-02-14 2023-02-14 Common Stock 21310 6210 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 These stock options are set to expire on 02/14/2023. Mr. Jankowski established a 10b5-1 Plan with an independent broker with a goal of having his broker sell shares from this grant, under fixed guidleines, in a regular and measured manner designed to avoid both forfeiture of shares due to expiration, and impacting the stock price due to excessive trading volume. His Plan was approved in advance by the Compensation & Governance Committee of the Nanophase Board of Directors. If not sold through a 10b5-1 Plan, Nanophase trading blackout periods run from the 25th of the last day of any given quarter until 3 days after earnings are released. In example, for options expiring during the 1st quarter of any given year, trading would be prohibited from December 25th of the prior year, through the release of annual earnings plus 3 business days. Typically, this would reopen trading in early-to-mid March, through March 24th. The next blackout period would begin on March 25th, etc. These shares were sold in four separate transactions, all at $1.21 per share. These shares were sold in six separate transactions, all at $1.18 per share. These stock options are set to expire on 02/14/2023. Mr. Jankowski converted and sold these shares through a 10b5-1 Plan that has been established with an independent broker. His goal is to have this broker sell shares from this grant, under fixed guidleines, in a regular and measured manner designed to avoid both forfeiture of shares due to expiration, and impacting the stock price due to excessive trading volume. His Plan was approved in advance by the Compensation & Governance Committee of the Nanophase Board of Directors. 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. Subject to certain restrictions, beginning on this date, options vest in three equal annual installments. Mr. Jankowski established a 10b5-1 Plan with an independent broker with a goal of having shares from this grant sold, under fixed guidleines, in a regular and measured manner designed to avoid both forfeiture of shares due to expiration, and impacting the stock price due to excessive trading volume. His Plan was approved in advance by the Compensation & Governance Committee of the Nanophase Board of Directors. The maturity of these rights cannot be extended beyond the IRS statutory limit of ten years. Jess A. Jankowski 2022-12-08