| # | Name | Town/City | Region | Comment | Date |
|---|---|---|---|---|---|
| 251 | Guilherme Fontão | N/G | Brazil | N/G | May 22, 2010 |
| 252 | Jimmy Bon | N/G | USA | N/G | May 22, 2010 |
| 253 | Vasco Pimentel | Lisboa | Portugal | N/G | May 22, 2010 |
| 254 | Bernardo Lins | N/G | Brazil | N/G | May 22, 2010 |
| 255 | Flavia Candida | Niterói | Brazil | N/G | May 22, 2010 |
| 256 | Anonymous | N/G | Portugal | N/G | May 22, 2010 |
| 257 | Jeremiah Nyhuis | N/G | USA | N/G | May 22, 2010 |
| 258 | pat knudsen | N/G | USA | View | May 22, 2010 |
| 259 | Matt Parks | Durham | USA | N/G | May 22, 2010 |
| 260 | David Bordwell | N/G | USA | N/G | May 22, 2010 |
| 261 | Marguerite French | N/G | USA | N/G | May 22, 2010 |
| 262 | Joseph McBride | Berkeley, California | USA | N/G | May 22, 2010 |
| 263 | Jay Antani | Culver City | USA | View | May 22, 2010 |
| 264 | Allison McClloch | Los Angeles, CA | USA | View | May 22, 2010 |
| 265 | Andrew Rector | Los Angeles | USA | View | May 22, 2010 |
| 266 | Janet Bergstrom | N/G | USA | N/G | May 22, 2010 |
| 267 | Solange Silva | N/G | Brazil | N/G | May 22, 2010 |
| 268 | Zachary Brailsford | Austin | USA | N/G | May 22, 2010 |
| 269 | Lucas Silva | N/G | Brazil | N/G | May 22, 2010 |
| 270 | Jonathan Jacobson | N/G | USA | N/G | May 22, 2010 |
| 271 | Paul Clark | Hilliard | USA | N/G | May 22, 2010 |
| 272 | Bernard Eisenschitz | Paris | France | N/G | May 23, 2010 |
| 273 | Ana Fernandes | N/G | Africa | N/G | May 23, 2010 |
| 274 | Booth Wilson | Montgomery | USA | N/G | May 23, 2010 |
| 275 | David Humphreys | Toronto | Canada | N/G | May 23, 2010 |
| 276 | Cristina Coelho | Lisboa | Portugal | N/G | May 23, 2010 |
| 277 | Francisco Algarín Navarro | N/G | Spain | N/G | May 23, 2010 |
| 278 | Sally Rushbrook | N/G | UK | N/G | May 23, 2010 |
| 279 | Sergio Sánchez | Barcelona | Spain | N/G | May 23, 2010 |
| 280 | Jim Peters | Storrs, CT | USA | N/G | May 23, 2010 |
| 281 | Thorkell Ottarsson | Drammen | Norway | N/G | May 23, 2010 |
| 282 | Leonardo Armando Iarrusso | Benevento | Italy | View | May 23, 2010 |
| 283 | beatriz afonso | N/G | Portugal | N/G | May 23, 2010 |
| 284 | Suzette Puski | Louisville | USA | N/G | May 23, 2010 |
| 285 | Fernando Meirelles | Sao Paulo | Brazil | View | May 23, 2010 |
| 286 | Anonymous | chicago | USA | N/G | May 23, 2010 |
| 287 | Peter Rist | Montreal | Canada | N/G | May 23, 2010 |
| 288 | james naremore | N/G | USA | N/G | May 23, 2010 |
| 289 | Christopher Sieving | Athens, GA | USA | N/G | May 23, 2010 |
| 290 | Francis Vogner dos Reis | São Bernardo | Brazil | N/G | May 23, 2010 |
| 291 | Mubarak Ali | London | UK | N/G | May 23, 2010 |
| 292 | miquel marti freixas | barcelona | Spain | N/G | May 23, 2010 |
| 293 | Hubert Nathalie | Paris | France | N/G | May 23, 2010 |
| 294 | Amilcar Claro | São Paulo | Brazil | N/G | May 23, 2010 |
| 295 | Juliana Monteiro | N/G | Brazil | N/G | May 23, 2010 |
| 296 | Krista May | Bryan, Texas | USA | N/G | May 23, 2010 |
| 297 | Beth Sa Freire | Sao Paulo | Brazil | View | May 23, 2010 |
| 298 | Kei Shu | Hong Kong | Hong Kong | N/G | May 23, 2010 |
| 299 | Anonymous | N/G | USA | N/G | May 23, 2010 |
| 300 | vanessa mok | N/G | Hong Kong | 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