| # | Name | Town/City | S/C/P | Region | Comment | Date |
|---|---|---|---|---|---|---|
| 451 | Maria Fischinger | Chicago | Illinois | USA | N/G | May 22, 2017 |
| 452 | Kristene Callanta | Chicago | Illinois | USA | N/G | May 22, 2017 |
| 453 | Lydia Hilado | Chicago | IL | USA | N/G | May 22, 2017 |
| 454 | Patrick Aronson | Singapore | n/a | Singapore | View | May 22, 2017 |
| 455 | Jennifer De Kock | Des Moines | Iowa | USA | N/G | May 22, 2017 |
| 456 | Elizabeth Kowalski Gulapalli | Chicago | Illinois | USA | N/G | May 22, 2017 |
| 457 | Cecile Tio | Los Angeles | California | USA | N/G | May 22, 2017 |
| 458 | Erin Murtha | Chicago | Illinois | USA | N/G | May 22, 2017 |
| 459 | Gary Marks | N/G | N/G | N/G | N/G | May 22, 2017 |
| 460 | Katie Kenny Sucht | Louisville | Colorado | USA | N/G | May 22, 2017 |
| 461 | Amy Angarita | N/G | N/G | USA | View | May 22, 2017 |
| 462 | Sarah Cassidy | N/G | N/G | Ireland | N/G | May 22, 2017 |
| 463 | Thomas Sun | San Antonio | Texas | USA | N/G | May 22, 2017 |
| 464 | Myrna Vergil | Chicago | IL | USA | N/G | May 22, 2017 |
| 465 | Brandon Burns | Brooklyn | NY | USA | N/G | May 22, 2017 |
| 466 | Anonymous | Chicago | IL | USA | N/G | May 22, 2017 |
| 467 | Amanda Carone | Chicago | Illinois | USA | N/G | May 22, 2017 |
| 468 | Anonymous | San Francisco | California | USA | N/G | May 22, 2017 |
| 469 | Joe Hartigan | Chicago | Illinois | USA | N/G | May 22, 2017 |
| 470 | Dawne Collier-Dupart | Chicago | Illinois | USA | View | May 22, 2017 |
| 471 | Austin Karpola, Ed.S, NCSP | Chicago | Illinois | USA | View | May 22, 2017 |
| 472 | Danielle Landron | Chicago | Illinois | USA | N/G | May 22, 2017 |
| 473 | James Wall | Chicago | Illinois | USA | N/G | May 22, 2017 |
| 474 | Ana Diaz | N/G | N/G | N/G | N/G | May 22, 2017 |
| 475 | Shannon Flynn | Chicago | IL | USA | N/G | May 22, 2017 |
| 476 | Kathryn Bellusci | Concord | Massachusetts | USA | N/G | May 22, 2017 |
| 477 | NIna Siemaszko | California | Los Angeles | USA | View | May 22, 2017 |
| 478 | Anonymous | Chicago | IL | USA | N/G | May 22, 2017 |
| 479 | Samantha Garza | N/G | Chicago | USA | N/G | May 22, 2017 |
| 480 | Mollie Knapp | Chicago | IL | USA | N/G | May 22, 2017 |
| 481 | Yi Wei | Denver | Colorado | USA | N/G | May 22, 2017 |
| 482 | Anonymous | Chicago | Illinois | USA | N/G | May 22, 2017 |
| 483 | Katya Simon | N/G | N/G | USA | N/G | May 22, 2017 |
| 484 | Michael Smith | Portland | Oregon | USA | N/G | May 23, 2017 |
| 485 | Jeri Hardwick | Baltimore | MD | USA | N/G | May 23, 2017 |
| 486 | Kathleen Lohnes | N/G | N/G | N/G | N/G | May 23, 2017 |
| 487 | Wesley Weglarek | Chicago | Illinois | USA | N/G | May 23, 2017 |
| 488 | Erica Rabbit Bullock | N/G | N/G | N/G | N/G | May 23, 2017 |
| 489 | América Valerie Acosta | Chicago | Illinois | USA | N/G | May 23, 2017 |
| 490 | Cristin Kennedy | Honolulu | Hawaii | USA | N/G | May 23, 2017 |
| 491 | Caitlin Cervenka | Chicago | Illinois | USA | N/G | May 23, 2017 |
| 492 | Anna Jahns | Viroqua | WI | USA | N/G | May 23, 2017 |
| 493 | David Kantowski | Oak Brook | Illinois | USA | N/G | May 23, 2017 |
| 494 | Anonymous | Chicago | N/G | USA | N/G | May 23, 2017 |
| 495 | Elizabeth Gunnar Hoffman | Durham | North Carolina | USA | N/G | May 23, 2017 |
| 496 | Nadege Ibarra | Chicago | N/G | USA | N/G | May 23, 2017 |
| 497 | Colleen O'Brien | Columbia | MO | USA | N/G | May 23, 2017 |
| 498 | Nicholas Gillott | Suffolk | Virginia | USA | N/G | May 23, 2017 |
| 499 | Ellen O'Brien | Los Angeles | California | USA | N/G | May 23, 2017 |
| 500 | Madeleine Olsen Day | N/G | N/G | N/G | N/G | May 23, 2017 |
- S/C/P - State, County or Province
- Dates displayed in the signature list are based on UTC/GMT
- Anonymous signatures signify people who have chosen not to display their names publicly
- A comment in gray indicates that the signer has hidden their comment from public view