Ninety-nine

Ninety-nine always makes me laugh.

My grandfather lived to be ninety-nine years old.

Genius is one percent inspiration and ninety-nine percent perspiration.

Ninety-nine percent of all failures come from people who have the habit of making excuses.

Tom died at the age of ninety-nine.

She became a great-great-grandmother just days before turning ninety-nine.

Mary lived for ninety-nine years.

Nine thousand nine hundred and ninety-nine plus one is ten thousand.

What comes after nine hundred and ninety-nine?

My grandfather is ninety-nine years old.