1Heat gas or charcoal grill. In small bowl, mix 1 tablespoon of the oil, the Italian seasoning, salt and pepper. Brush on both sides of chicken.
2Place chicken on grill over medium heat. Cover grill; cook 12 to 15 minutes, turning once, until juice of chicken is clear when center of thickest part is cut (at least 165°F). Remove chicken from grill to cutting board; cover to keep warm.
3Meanwhile, cook and drain pasta as directed on package. In large bowl, toss pasta and remaining 2 tablespoons oil. Cut chicken into thin strips. Add chicken and remaining ingredients to pasta; toss to combine.