1 April 1993
Increased the paid-up capital from Baht 500 million to Baht 750 million by issuing and offering shares via right offering in the number of 25 million shares, at the ratio of 2 exiting shares: 1 new share.
7 May 1993
Increased the paid-up capital from Baht 750 million to Baht 780 million by issuing and offering shares via public offering in the number of 23 million shares.
17 November 1994
Increased the paid-up capital from Baht 780 million to Baht 2,340 million by issuing and offering shares via right offering in the number of 156 million shares, at the ratio of 1 exiting share: 2 new shares.
24 February 1999
Increased the paid-up capital from Baht 2,340 million to Baht 2,700 million by issuing and offering shares via private placement to SingTel in the number of 36 million shares.
24 September 2001
Increased the paid-up capital from Baht 2,700 million to Baht 2,935 million by issuing and offering shares via private placement to SHIN in the number of 17 million shares and to SingTel in the number of 6.5 million shares.
2 October 2001
Registered the amendment of par value from Baht 10 to 1 Baht and the number of common shares from 500,000,000 shares to 5,000,000,000 shares
ADVANC has increased the paid-up capital due to Exercise ESOP as follow:
Paid-up capital (Baht)
| Year | 1 January | Increasing | 31 December |
| 2022 | 2,973,925,791 | 283,945 | 2,974,209,736 |
| 2021 | 2,973,554,313 | 371,478 | 2,973,925,791 |
| 2020 | 2,973,178,632 | 375,681 | 2,973,554,313 |
| 2019 | 2,973,095,330 | 83,302 | 2,973,178,632 |
| 2018 | 2,973,095,330 | - | 2,973,095,330 |
| 2017 | 2,973,095,330 | - | 2,973,095,330 |
| 2016 | 2,973,095,330 | - | 2,973,095,330 |
| 2015 | 2,973,095,330 | - | 2,973,095,330 |
| 2014 | 2,973,095,330 | - | 2,973,095,330 |
| 2013 | 2,973,095,330 | - | 2,973,095,330 |
| 2012 | 2,973,095,330 | - | 2,973,095,330 |
| 2011 | 2,970,076,139 | 3,019,191 | 2,973,095,330 |
| 2010 | 2,965,443,054 | 4,633,085 | 2,970,076,139 |
| 2009 | 2,961,739,547 | 3,703,507 | 2,965,443,054 |
| 2008 | 2,958,123,252 | 3,616,295 | 2,961,739,547 |
| 2007 | 2,953,546,816 | 4,576,436 | 2,958,123,252 |
| 2006 | 2,950,639,869 | 2,906,947 | 2,958,123,252 |
| 2005 | 2,945,188,074 | 5,451,795 | 2,950,639,869 |
| 2004 | 2,938,524,890 | 6,663,184 | 2,945,188,074 |
| 2003 | 2,935,000,000 | 3,524,890 | 2,938,524,890 |