| # | Title | Name | Town/City | S/C/P | Region | Comment | Date |
|---|---|---|---|---|---|---|---|
| 551 | Dr | Elsa Germain | Townsville | QLD | Australia | View | May 23, 2010 |
| 552 | Dr | Regina Langhout | Santa Cruz | CA | USA | N/G | May 23, 2010 |
| 553 | Dr | Monika Janda | the GAp | QLD | Australia | N/G | May 23, 2010 |
| 554 | Mrs | Jennifer Henderson | South Brisbane | Qld | Australia | N/G | May 23, 2010 |
| 555 | Dr | Victoria Teoh | Coburg | VIC | N/G | N/G | May 23, 2010 |
| 556 | Mr | Brooke Mellington | Warrnambool | VIC | N/G | N/G | May 23, 2010 |
| 557 | Prof | Susan Paxton | Melbourne | Vic | Australia | N/G | May 23, 2010 |
| 558 | Miss | Kate Morrison | Melbourne | Australia | Australia | N/G | May 23, 2010 |
| 559 | Ms | Anonymous | Banyo | Qld | Australia | N/G | May 23, 2010 |
| 560 | Dr | Katrina Lines | West End | Queensland | Australia | N/G | May 23, 2010 |
| 561 | Mr | Jason Lodge | Kelvin Grove | Queensland | Australia | N/G | May 23, 2010 |
| 562 | Mr | Graham Clue | Red Hill | Victoria | Australia | View | May 23, 2010 |
| 563 | Mrs | Alemka Russell | Smithfield | Cairns | N/G | View | May 23, 2010 |
| 564 | Miss | Alexandra Head | Donvale | VIC | Australia | N/G | May 23, 2010 |
| 565 | Dr | Elizabeth Buikstra | Edmonton | QLD | Australia | N/G | May 23, 2010 |
| 566 | Ms | Jane Buschkens | Kuranda | Queensland | Australia | View | May 23, 2010 |
| 567 | Dr | Shirley Morrissey | Southport | Queensland | Australia | N/G | May 23, 2010 |
| 568 | Mr | Phil Ore | Brighton east | Victoria | Australia | View | May 23, 2010 |
| 569 | Dr | Matthew Fuller-Tyszkiewicz | Burwood | VIC | Australia | N/G | May 23, 2010 |
| 570 | Dr | Melissa Siu | Fitzroy | Victoria | Australia | N/G | May 23, 2010 |
| 571 | Ms | Daniela Dell'Aquila | keysborough | Victoria | Australia | N/G | May 23, 2010 |
| 572 | Ms | Olivia Morrow | Mount Waverley | VIC | Australia | N/G | May 23, 2010 |
| 573 | Ms | Rachel Jones | Townsville | Queensland | Australia | N/G | May 23, 2010 |
| 574 | Mr | Brad Inglis | Coolangatta | QLD | Australia | N/G | May 23, 2010 |
| 575 | Ms | Pam Loughnan | West Preston | victoria | Australia | N/G | May 23, 2010 |
| 576 | N/G | Lawrence Desmond | Chinchilla | Queensland | Australia | N/G | May 23, 2010 |
| 577 | Ms | Christie Fullarton | Geelong | Victoria | Australia | N/G | May 23, 2010 |
| 578 | Ms | Sarah Duncan | Maryville | NSW | Australia | View | May 23, 2010 |
| 579 | N/G | Bob Dick | Chapel Hill | Qld | Australia | View | May 23, 2010 |
| 580 | N/G | Michael Brandwood | Port Macquarie | NSW | N/G | View | May 23, 2010 |
| 581 | Prof | Grace Pretty | Mt Rascal | QLD | Australia | View | May 23, 2010 |
| 582 | Ms | Anne Burke | Adelaide | SA | Australia | N/G | May 23, 2010 |
| 583 | Dr | Delwyn Bartlett | Sydney | NSW | Australia | View | May 23, 2010 |
| 584 | Dr | Melody-Anna Fudge | Annandale | QLD | Australia | View | May 23, 2010 |
| 585 | Ms | Carol Tutchener | Edithvale | Victoria | Australia | View | May 23, 2010 |
| 586 | Dr | Leslie Pereira | Bunbury | WA | Australia | View | May 23, 2010 |
| 587 | Ms | Jessica Wong | Glen Iris | Vic | Australia | N/G | May 23, 2010 |
| 588 | Dr | Melissa Grace Johnstone | St Lucia | QLD | Australia | N/G | May 23, 2010 |
| 589 | Dr | Ben Richardson | Nunawading | Victoria | Australia | View | May 23, 2010 |
| 590 | Dr | Paula Schulz | Everton Park | Queensland | Australia | N/G | May 23, 2010 |
| 591 | Ms | Jasz Mandari | South Hobart | TAS | Australia | Hidden | May 23, 2010 |
| 592 | Mr | Kelly Bowers | Gold Coast | QLD | Australia | N/G | May 23, 2010 |
| 593 | Ms | Claire Smith | Melbourne | VIC | Australia | N/G | May 23, 2010 |
| 594 | Mr | Steve Horvath | Melbourne | Victoria | Azerbaijan | N/G | May 23, 2010 |
| 595 | Miss | Naile Alangor | LYNBROOK | VICTORIA | Australia | View | May 23, 2010 |
| 596 | Prof | Marika Tiggemann | Adelaide | South Australia | Australia | N/G | May 23, 2010 |
| 597 | Dr | Sandra Bentley | Balmain | NSW | Australia | N/G | May 23, 2010 |
| 598 | Miss | Hannah Bereznicki | Brighton | Vic | Australia | View | May 23, 2010 |
| 599 | Dr | Shona Crabb | University of Adelaide | SA | Australia | N/G | May 23, 2010 |
| 600 | N/G | Anonymous | Middle Park | Australia | N/G | N/G | May 23, 2010 |
- 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