Do you have a PR company? Try to find a freelance PR company that will grow with you. If not, just publish it on your website.
Just like you promote your article. Share with your social networks. Give link of press release in suitable places. Make a news section in your website and try to submit in good site only who distributes their PR itself.
You optimize press releases in the same way you optimize a piece of content on your website. You should ensure the keyword phrase you are targeting is in the title and distributed throughout the press release.
I have some tips to optimize the press release. 1. Meet audience demand Knowing your audience Be relevant Satisfy customer demand 2. Stay focused 3. Use images for search 4. Use videos to engage visitors 5. Optimize your release Anchor text links – use 3 Alt-tag URL Keyword Description Tag Title of release I thing that these point is enough for you and you know what i am saying so not need to explain in detail.