History of Present Illness: TP is a 62-year-old African American male who presents to his primary care physician for a follow up visit after starting medication for his high blood pressure 4 weeks ago. At that time, his blood pressure (average of at least two readings) was 158/92 mmHg.

Allergies: fosinopril (cough), eggs (shortness of breath)

Current Medications:
Flomax 0.4 mg PO daily
Pepcid 20 mg PO daily
Amlodipine 5 mg PO daily
Simvastatin 40 mg PO QHS

Vitals (today):
Height: 5'11", Weight: 198 lbs
BP: 150/88 mmHg, HR: 83 BPM, RR: 20 BPM, Temp: 98.6ºF, Pain: 1/10

TP's physician would like to increase the amlodipine to 10 mg PO daily and add another medication to his blood pressure regimen today. Which of the following would be most appropriate to initiate at this time?
1) Lisinopril
2) Valsartan
3) Hydralazine and isosorbide dinitrate
4) Metoprolol
5) Chlorthalidone