By speaking at a conference you benefit by:
Connecting your brand, service or solution to the conference and be seen as the solution to your niche.
Speaking at a conference gets your name out there. Be seen as a ‘thought leader’ within your niche and you and your brand benefit at the same time.
It's a no-brainer. When you walk off the stage everyone knows who you are and what you do. Your personal network can't fail to grow when you speak at events.