Dividend distributions since 2006 have been as follows:
| Date Paid | Dividend (Cents) | Franking Level (%) |
|---|---|---|
| 19 February 2024 | 4.0 | 100 |
| 17 August 2023 | 4.5** | 100 |
| 17 August 2023 | 6.5 | 100 |
| 17 February 2023 | 3.5 | 100 |
| 17 August 2022 | 2.0** | 100 |
| 17 August 2022 | 6.5 | 100 |
| 17 February 2022 | 3.5 | 100 |
| 17 August 2021 | 6.5 | 100 |
| 17 August 2021 | 2.0** | 100 |
| 17 August 2021 | 4.25 (MIRNA) | 100 |
| 16 February 2021 | 3.5 | 100 |
| 17 August 2020 | 6.5 | 100 |
| 14 February 2020 | 3.5 | 100 |
| 12 August 2019 | 6.5 | 100 |
| 15 February 2019 | 3.5 | 100 |
| 15 February 2019 | 10** | 100 |
| 13 August 2018 | 2** | 100 |
| 13 August 2018 | 6.5 | 100 |
| 15 February 2018 | 3.5 | 100 |
| 10 August 2017 | 4** | 100 |
10 August 2017 | 6.5 | 100 |
| 14 February 2017 | 3.5 | 100 |
9 August 2016 | 6.5 | 100 |
| 9 August 2016 | 5.0** | 100 |
9 February 2016 | 3.5 | 100 |
| 7 August 2015 | 7.0** | 100 |
| 7 August 2015 | 6.5 | 100 |
| 10 February 2015 | 3.5 | 100 |
| 8 August 2014 | 10.0** | 100 |
| 8 August 2014 | 6.5 | 100 |
| 11 February 2014 | 3.5 | 100 |
9 August 2013 | 5.0** | 100 |
9 August 2013 | 6.5 | 100 |
| 12 February 2013 | 3.5 | 100 |
3 August 2012 | 6.5 | 100 |
| 10 February 2012 | 3.5 | 100 |
5 August 2011 | 6.5 | 100 |
| 11 February 2011 | 3.5 | 100 |
| 6 August 2010 | 6.5 | 100 |
| 12 February 2010 | 3.5 | 100 |
| 7 August 2009 | 6.5 | 100 |
| 13 February 2009 | 3.5 | 100 |
8 August 2008 | 6.5 and 3.25* | 100 |
9 February 2008 | 3.5 | 100 |
| 2 August 2007 | 6.5 | 100 |
| 2 March 2007 | 3.5 | 100 |
| 23 August 2006 | 4 | 100 |
| 16 March 2006 | 3 | 100 |
24 August 2005 | 3.5 | 100 |
23 March 2005 | 2.5 | 100 |
18 August 2004 | 3 | 100 |
15 March 2004 | 2 | 100 |
| 25 August 2003 | 3 | 100 |
12 March 2003 | 2 | 100 |
15 August 2002 | 3 | 100 |
| 14 March 2002 | 2 | 100 |
| 30 August 2001 | 3 | 100 |
* The dividend amount of 3.25 cents per share was paid to holders of shares issued under the 1-7 Renounceable Rights offer. The shares rank equally for any dividends after August 2008.
** Special Dividend